diff --git a/.gitignore b/.gitignore
index cb1e9d1599..2b298a14a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ bin/ai/*
 bin/baseset/*
 !bin/baseset/openttd.grf
 !bin/baseset/opntitle.dat
+!bin/baseset/orig_extra.grf
 !bin/baseset/orig_*.obg
 !bin/baseset/orig_*.obs
 !bin/baseset/no_sound.obs
diff --git a/Makefile.grf.in b/Makefile.grf.in
index 1cc2642320..1625b9e4c0 100644
--- a/Makefile.grf.in
+++ b/Makefile.grf.in
@@ -44,22 +44,18 @@ PNG_FILES    := $(GRF_DIR)/*.png $(GRF_DIR)/rivers/*.png
 
 # Build the GRF.
 ifdef GRFCODEC
-all: $(BIN_DIR)/openttd.grf $(BIN_DIR)/orig_dos.obg $(BIN_DIR)/orig_dos_de.obg $(BIN_DIR)/orig_win.obg $(BIN_DIR)/orig_dos.obs $(BIN_DIR)/orig_win.obs $(BIN_DIR)/no_sound.obs $(BIN_DIR)/orig_win.obm $(BIN_DIR)/no_music.obm
+all: $(BIN_DIR)/openttd.grf $(BIN_DIR)/orig_extra.grf $(BIN_DIR)/orig_dos.obg $(BIN_DIR)/orig_dos_de.obg $(BIN_DIR)/orig_win.obg $(BIN_DIR)/orig_dos.obs $(BIN_DIR)/orig_win.obs $(BIN_DIR)/no_sound.obs $(BIN_DIR)/orig_win.obm $(BIN_DIR)/no_music.obm
 else
 all:
 endif
 
-# Make sure the sprites directory exists.
-$(OBJS_DIR)/sprites:
-	$(Q)-mkdir "$@"
-
 $(OBJS_DIR)/langfiles.tmp: $(LANG_DIR)/*.txt
 	$(E) '$(STAGE) Collecting baseset translations'
 	$(Q) cat $^ > $@
 
-$(BIN_DIR)/%.obg: $(BASESET_DIR)/%.obg $(BIN_DIR)/openttd.grf $(OBJS_DIR)/langfiles.tmp $(BASESET_DIR)/translations.awk
+$(BIN_DIR)/%.obg: $(BASESET_DIR)/%.obg $(BIN_DIR)/orig_extra.grf $(OBJS_DIR)/langfiles.tmp $(BASESET_DIR)/translations.awk
 	$(E) '$(STAGE) Updating $(notdir $@)'
-	$(Q) sed 's/^OPENTTD.GRF  = *[0-9a-f]*$$/OPENTTD.GRF  = '`$(MD5SUM) $(BIN_DIR)/openttd.grf | sed 's@ .*@@'`'/' $< > $@.tmp
+	$(Q) sed 's/^ORIG_EXTRA.GRF    = *[0-9a-f]*$$/ORIG_EXTRA.GRF    = '`$(MD5SUM) $(BIN_DIR)/orig_extra.grf | sed 's@ .*@@'`'/' $< > $@.tmp
 	$(Q) awk -v langfiles='$(OBJS_DIR)/langfiles.tmp' -f $(BASESET_DIR)/translations.awk $@.tmp >$@
 	$(Q) rm $@.tmp
 
@@ -72,8 +68,9 @@ $(BIN_DIR)/%.obm: $(BASESET_DIR)/%.obm $(OBJS_DIR)/langfiles.tmp $(BASESET_DIR)/
 	$(Q) awk -v langfiles='$(OBJS_DIR)/langfiles.tmp' -f $(BASESET_DIR)/translations.awk $< >$@
 
 # Compile extra grf
-$(BIN_DIR)/openttd.grf: $(PNG_FILES) $(NFO_FILES) $(OBJS_DIR)/sprites $(GRF_DIR)/assemble_nfo.awk
+$(BIN_DIR)/openttd.grf: $(PNG_FILES) $(NFO_FILES) $(GRF_DIR)/assemble_nfo.awk
 	$(E) '$(STAGE) Assembling openttd.nfo'
+	$(Q)-mkdir -p $(OBJS_DIR)/sprites
 	$(Q)-cp $(PNG_FILES) $(OBJS_DIR)/sprites 2> /dev/null
 	$(Q) awk -f $(GRF_DIR)/assemble_nfo.awk $(GRF_DIR)/openttd.nfo > $(OBJS_DIR)/sprites/openttd.nfo
 	$(Q) $(NFORENUM) -s $(OBJS_DIR)/sprites/openttd.nfo
@@ -81,6 +78,17 @@ $(BIN_DIR)/openttd.grf: $(PNG_FILES) $(NFO_FILES) $(OBJS_DIR)/sprites $(GRF_DIR)
 	$(Q) $(GRFCODEC) -n -s -e -p1 $(OBJS_DIR)/openttd.grf
 	$(Q)cp $(OBJS_DIR)/openttd.grf $(BIN_DIR)/openttd.grf
 
+# The copy operation of PNG_FILES is duplicated from the target 'openttd.grf', thus those targets may not run in parallel.
+$(BIN_DIR)/orig_extra.grf: $(PNG_FILES) $(NFO_FILES) $(GRF_DIR)/assemble_nfo.awk | $(BIN_DIR)/openttd.grf
+	$(E) '$(STAGE) Assembling orig_extra.nfo'
+	$(Q)-mkdir -p $(OBJS_DIR)/sprites
+	$(Q)-cp $(PNG_FILES) $(OBJS_DIR)/sprites 2> /dev/null
+	$(Q) awk -f $(GRF_DIR)/assemble_nfo.awk $(GRF_DIR)/orig_extra.nfo > $(OBJS_DIR)/sprites/orig_extra.nfo
+	$(Q) $(NFORENUM) -s $(OBJS_DIR)/sprites/orig_extra.nfo
+	$(E) '$(STAGE) Compiling orig_extra.grf'
+	$(Q) $(GRFCODEC) -n -s -e -p1 $(OBJS_DIR)/orig_extra.grf
+	$(Q)cp $(OBJS_DIR)/orig_extra.grf $(BIN_DIR)/orig_extra.grf
+
 # Clean up temporary files.
 clean:
 	$(Q)rm -f *.bak *.grf
diff --git a/Makefile.in b/Makefile.in
index 0d50fc1b1e..d33d8a0d2a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -152,7 +152,7 @@ mrproper:
 distclean: mrproper
 
 maintainer-clean: distclean
-	$(Q)rm -f $(BIN_DIR)/baseset/openttd.grf $(BIN_DIR)/baseset/*.obg $(BIN_DIR)/baseset/*.obs $(BIN_DIR)/baseset/*.obm
+	$(Q)rm -f $(BIN_DIR)/baseset/openttd.grf $(BIN_DIR)/baseset/orig_extra.grf $(BIN_DIR)/baseset/*.obg $(BIN_DIR)/baseset/*.obs $(BIN_DIR)/baseset/*.obm
 
 depend:
 	@for dir in $(SRC_DIRS); do \
diff --git a/bin/baseset/openttd.grf b/bin/baseset/openttd.grf
index efe35ffd38..6f2921f272 100644
Binary files a/bin/baseset/openttd.grf and b/bin/baseset/openttd.grf differ
diff --git a/bin/baseset/orig_dos.obg b/bin/baseset/orig_dos.obg
index 3eb8c0ff97..6d721825a8 100644
--- a/bin/baseset/orig_dos.obg
+++ b/bin/baseset/orig_dos.obg
@@ -63,21 +63,21 @@ description.zh_CN = 运输大亨DOS豪华版原版图形包.
 description.zh_TW = 原版 Transport Tycoon Deluxe DOS 版的圖形。
 
 [files]
-base         = TRG1.GRF
-logos        = TRGI.GRF
-arctic       = TRGC.GRF
-tropical     = TRGH.GRF
-toyland      = TRGT.GRF
-extra        = OPENTTD.GRF
+base              = TRG1.GRF
+logos             = TRGI.GRF
+arctic            = TRGC.GRF
+tropical          = TRGH.GRF
+toyland           = TRGT.GRF
+extra             = ORIG_EXTRA.GRF
 
 [md5s]
-TRG1.GRF     = 9311676280e5b14077a8ee41c1b42192
-TRGI.GRF     = da6a6c9dcc451eec88d79211437b76a8
-TRGC.GRF     = ed446637e034104c5559b32c18afe78d
-TRGH.GRF     = ee6616fb0e6ef6b24892c58c93d86fc9
-TRGT.GRF     = e30e8a398ae86c03dc534a8ac7dfb3b6
-OPENTTD.GRF  = 505d96061556d3bb5cec6234096ec5bc
+TRG1.GRF          = 9311676280e5b14077a8ee41c1b42192
+TRGI.GRF          = da6a6c9dcc451eec88d79211437b76a8
+TRGC.GRF          = ed446637e034104c5559b32c18afe78d
+TRGH.GRF          = ee6616fb0e6ef6b24892c58c93d86fc9
+TRGT.GRF          = e30e8a398ae86c03dc534a8ac7dfb3b6
+ORIG_EXTRA.GRF    = 2f214be226d04af78c3afb961ccdd08d
 
 [origin]
-default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTD.GRF  = This file was part of your OpenTTD installation.
+default           = You can find it on your Transport Tycoon Deluxe CD-ROM.
+ORIG_EXTRA.GRF    = This file was part of your OpenTTD installation.
diff --git a/bin/baseset/orig_dos_de.obg b/bin/baseset/orig_dos_de.obg
index b081e4bc2f..51b5353952 100644
--- a/bin/baseset/orig_dos_de.obg
+++ b/bin/baseset/orig_dos_de.obg
@@ -62,21 +62,21 @@ description.zh_CN = 运输大亨DOS豪华德语版原版图形包.
 description.zh_TW = 原版 Transport Tycoon Deluxe DOS 版 (德國版) 的圖形。
 
 [files]
-base         = TRG1.GRF
-logos        = TRGI.GRF
-arctic       = TRGC.GRF
-tropical     = TRGH.GRF
-toyland      = TRGT.GRF
-extra        = OPENTTD.GRF
+base              = TRG1.GRF
+logos             = TRGI.GRF
+arctic            = TRGC.GRF
+tropical          = TRGH.GRF
+toyland           = TRGT.GRF
+extra             = ORIG_EXTRA.GRF
 
 [md5s]
-TRG1.GRF     = 9311676280e5b14077a8ee41c1b42192
-TRGI.GRF     = da6a6c9dcc451eec88d79211437b76a8
-TRGC.GRF     = ed446637e034104c5559b32c18afe78d
-TRGH.GRF     = ee6616fb0e6ef6b24892c58c93d86fc9
-TRGT.GRF     = fcde1d7e8a74197d72a62695884b909e
-OPENTTD.GRF  = 505d96061556d3bb5cec6234096ec5bc
+TRG1.GRF          = 9311676280e5b14077a8ee41c1b42192
+TRGI.GRF          = da6a6c9dcc451eec88d79211437b76a8
+TRGC.GRF          = ed446637e034104c5559b32c18afe78d
+TRGH.GRF          = ee6616fb0e6ef6b24892c58c93d86fc9
+TRGT.GRF          = fcde1d7e8a74197d72a62695884b909e
+ORIG_EXTRA.GRF    = 2f214be226d04af78c3afb961ccdd08d
 
 [origin]
-default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTD.GRF  = This file was part of your OpenTTD installation.
+default           = You can find it on your Transport Tycoon Deluxe CD-ROM.
+ORIG_EXTRA.GRF    = This file was part of your OpenTTD installation.
diff --git a/bin/baseset/orig_extra.grf b/bin/baseset/orig_extra.grf
new file mode 100644
index 0000000000..32d2cf627d
Binary files /dev/null and b/bin/baseset/orig_extra.grf differ
diff --git a/bin/baseset/orig_win.obg b/bin/baseset/orig_win.obg
index 65a97c4770..fc4740fbac 100644
--- a/bin/baseset/orig_win.obg
+++ b/bin/baseset/orig_win.obg
@@ -63,21 +63,21 @@ description.zh_CN = 运输大亨Windows豪华版原版图形包.
 description.zh_TW = 原版 Transport Tycoon Deluxe Windows 版的圖形。
 
 [files]
-base         = TRG1R.GRF
-logos        = TRGIR.GRF
-arctic       = TRGCR.GRF
-tropical     = TRGHR.GRF
-toyland      = TRGTR.GRF
-extra        = OPENTTD.GRF
+base              = TRG1R.GRF
+logos             = TRGIR.GRF
+arctic            = TRGCR.GRF
+tropical          = TRGHR.GRF
+toyland           = TRGTR.GRF
+extra             = ORIG_EXTRA.GRF
 
 [md5s]
-TRG1R.GRF    = b04ce593d8c5016e07473a743d7d3358
-TRGIR.GRF    = 0c2484ff6be49fc63a83be6ab5c38f32
-TRGCR.GRF    = 3668f410c761a050b5e7095a2b14879b
-TRGHR.GRF    = 06bf2b7a31766f048baac2ebe43457b1
-TRGTR.GRF    = de53650517fe661ceaa3138c6edb0eb8
-OPENTTD.GRF  = 505d96061556d3bb5cec6234096ec5bc
+TRG1R.GRF         = b04ce593d8c5016e07473a743d7d3358
+TRGIR.GRF         = 0c2484ff6be49fc63a83be6ab5c38f32
+TRGCR.GRF         = 3668f410c761a050b5e7095a2b14879b
+TRGHR.GRF         = 06bf2b7a31766f048baac2ebe43457b1
+TRGTR.GRF         = de53650517fe661ceaa3138c6edb0eb8
+ORIG_EXTRA.GRF    = 2f214be226d04af78c3afb961ccdd08d
 
 [origin]
-default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTD.GRF  = This file was part of your OpenTTD installation.
+default           = You can find it on your Transport Tycoon Deluxe CD-ROM.
+ORIG_EXTRA.GRF    = This file was part of your OpenTTD installation.
diff --git a/media/baseset/orig_dos.obg b/media/baseset/orig_dos.obg
index b4cde64007..f9db843af1 100644
--- a/media/baseset/orig_dos.obg
+++ b/media/baseset/orig_dos.obg
@@ -11,21 +11,21 @@ palette           = DOS
 !! description STR_BASEGRAPHICS_DOS_DESCRIPTION
 
 [files]
-base         = TRG1.GRF
-logos        = TRGI.GRF
-arctic       = TRGC.GRF
-tropical     = TRGH.GRF
-toyland      = TRGT.GRF
-extra        = OPENTTD.GRF
+base              = TRG1.GRF
+logos             = TRGI.GRF
+arctic            = TRGC.GRF
+tropical          = TRGH.GRF
+toyland           = TRGT.GRF
+extra             = ORIG_EXTRA.GRF
 
 [md5s]
-TRG1.GRF     = 9311676280e5b14077a8ee41c1b42192
-TRGI.GRF     = da6a6c9dcc451eec88d79211437b76a8
-TRGC.GRF     = ed446637e034104c5559b32c18afe78d
-TRGH.GRF     = ee6616fb0e6ef6b24892c58c93d86fc9
-TRGT.GRF     = e30e8a398ae86c03dc534a8ac7dfb3b6
-OPENTTD.GRF  =
+TRG1.GRF          = 9311676280e5b14077a8ee41c1b42192
+TRGI.GRF          = da6a6c9dcc451eec88d79211437b76a8
+TRGC.GRF          = ed446637e034104c5559b32c18afe78d
+TRGH.GRF          = ee6616fb0e6ef6b24892c58c93d86fc9
+TRGT.GRF          = e30e8a398ae86c03dc534a8ac7dfb3b6
+ORIG_EXTRA.GRF    =
 
 [origin]
-default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTD.GRF  = This file was part of your OpenTTD installation.
+default           = You can find it on your Transport Tycoon Deluxe CD-ROM.
+ORIG_EXTRA.GRF    = This file was part of your OpenTTD installation.
diff --git a/media/baseset/orig_dos_de.obg b/media/baseset/orig_dos_de.obg
index 8cfcc27074..4e12582727 100644
--- a/media/baseset/orig_dos_de.obg
+++ b/media/baseset/orig_dos_de.obg
@@ -11,21 +11,21 @@ palette           = DOS
 !! description STR_BASEGRAPHICS_DOS_DE_DESCRIPTION
 
 [files]
-base         = TRG1.GRF
-logos        = TRGI.GRF
-arctic       = TRGC.GRF
-tropical     = TRGH.GRF
-toyland      = TRGT.GRF
-extra        = OPENTTD.GRF
+base              = TRG1.GRF
+logos             = TRGI.GRF
+arctic            = TRGC.GRF
+tropical          = TRGH.GRF
+toyland           = TRGT.GRF
+extra             = ORIG_EXTRA.GRF
 
 [md5s]
-TRG1.GRF     = 9311676280e5b14077a8ee41c1b42192
-TRGI.GRF     = da6a6c9dcc451eec88d79211437b76a8
-TRGC.GRF     = ed446637e034104c5559b32c18afe78d
-TRGH.GRF     = ee6616fb0e6ef6b24892c58c93d86fc9
-TRGT.GRF     = fcde1d7e8a74197d72a62695884b909e
-OPENTTD.GRF  =
+TRG1.GRF          = 9311676280e5b14077a8ee41c1b42192
+TRGI.GRF          = da6a6c9dcc451eec88d79211437b76a8
+TRGC.GRF          = ed446637e034104c5559b32c18afe78d
+TRGH.GRF          = ee6616fb0e6ef6b24892c58c93d86fc9
+TRGT.GRF          = fcde1d7e8a74197d72a62695884b909e
+ORIG_EXTRA.GRF    =
 
 [origin]
-default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTD.GRF  = This file was part of your OpenTTD installation.
+default           = You can find it on your Transport Tycoon Deluxe CD-ROM.
+ORIG_EXTRA.GRF    = This file was part of your OpenTTD installation.
diff --git a/media/baseset/orig_win.obg b/media/baseset/orig_win.obg
index 82a5c2a616..393b5d3013 100644
--- a/media/baseset/orig_win.obg
+++ b/media/baseset/orig_win.obg
@@ -11,21 +11,21 @@ palette           = Windows
 !! description STR_BASEGRAPHICS_WIN_DESCRIPTION
 
 [files]
-base         = TRG1R.GRF
-logos        = TRGIR.GRF
-arctic       = TRGCR.GRF
-tropical     = TRGHR.GRF
-toyland      = TRGTR.GRF
-extra        = OPENTTD.GRF
+base              = TRG1R.GRF
+logos             = TRGIR.GRF
+arctic            = TRGCR.GRF
+tropical          = TRGHR.GRF
+toyland           = TRGTR.GRF
+extra             = ORIG_EXTRA.GRF
 
 [md5s]
-TRG1R.GRF    = b04ce593d8c5016e07473a743d7d3358
-TRGIR.GRF    = 0c2484ff6be49fc63a83be6ab5c38f32
-TRGCR.GRF    = 3668f410c761a050b5e7095a2b14879b
-TRGHR.GRF    = 06bf2b7a31766f048baac2ebe43457b1
-TRGTR.GRF    = de53650517fe661ceaa3138c6edb0eb8
-OPENTTD.GRF  =
+TRG1R.GRF         = b04ce593d8c5016e07473a743d7d3358
+TRGIR.GRF         = 0c2484ff6be49fc63a83be6ab5c38f32
+TRGCR.GRF         = 3668f410c761a050b5e7095a2b14879b
+TRGHR.GRF         = 06bf2b7a31766f048baac2ebe43457b1
+TRGTR.GRF         = de53650517fe661ceaa3138c6edb0eb8
+ORIG_EXTRA.GRF    =
 
 [origin]
-default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTD.GRF  = This file was part of your OpenTTD installation.
+default           = You can find it on your Transport Tycoon Deluxe CD-ROM.
+ORIG_EXTRA.GRF    = This file was part of your OpenTTD installation.
diff --git a/media/extra_grf/openttd.nfo b/media/extra_grf/openttd.nfo
index 66149a37e5..7ece5c7149 100644
--- a/media/extra_grf/openttd.nfo
+++ b/media/extra_grf/openttd.nfo
@@ -60,10 +60,11 @@
              00
 
 // GRF ID, must start with FF so it gets ignored
-   -1 * 0	 08 08 FF "OTT"
+//@@WARNING DISABLE 101
+   -1 * 0	 08 08 FF FF FF FE
 
 // Name of the GRF
-             "OpenTTD's base graphics " 00
+             "OpenTTD's default and fallback extra graphics" 00
 
 // Description of the GRF.
              "License: GNU General Public License version 2" 0D
@@ -86,7 +87,6 @@
 #include "canals.nfo"
 #include "oneway.nfo"
 #include "tramtracks.nfo"
-#include "shore.nfo"
 #include "sloped_tracks.nfo"
 #include "airports.nfo"
 #include "roadstops.nfo"
@@ -97,11 +97,5 @@
 #include "airport_preview.nfo"
 #include "chars.nfo"
 #include "mono.nfo"
-#include "fix_graphics.nfo"
-#include "rivers/rapids.nfo"
-#include "rivers/temperate.nfo"
-#include "rivers/arctic.nfo"
-#include "rivers/tropic.nfo"
-#include "rivers/toyland.nfo"
 #include "tunnel_portals.nfo"
 #include "palette.nfo"
diff --git a/media/extra_grf/orig_extra.nfo b/media/extra_grf/orig_extra.nfo
new file mode 100644
index 0000000000..228aa2841c
--- /dev/null
+++ b/media/extra_grf/orig_extra.nfo
@@ -0,0 +1,84 @@
+// Automatically generated by GRFCODEC. Do not modify!
+// (Info version 32)
+// Format: spritenum imagefile depth xpos ypos xsize ysize xrel yrel zoom flags
+//
+// $Id$
+//
+// This file is part of OpenTTD.
+// OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+// OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+//
+// Sources for extra graphics to complement the original graphics.
+// Checks whether the correct version of OpenTTD is used before
+// allowing it to be used.
+//
+
+//
+// Number of sprites, it is wrong, but GRFcodec automagically gets it right.
+//
+    0 * 4	 00 00 00 00
+
+
+//
+// Check whether we are running OTTD or not.
+//
+   -1 * 0	 07 9D 04 \7= 01 00 00 00 01
+   -1 * 0	 0B 03 7F FF 80 " is not for TTDPatch. Use ttdpatch(w).grf." 00
+
+
+//
+// Check for OTTD's version number
+//
+
+// First step... Variable A1 might not exist. If that's the case it always
+// skips. As we do not want to skip out of the whole testing, we skip over
+// the real version check.
+   -1 * 0	 07 A1 04 \7= FF FF FF FF 02
+
+// Real version check.
+   -1 * 0	 07 A1 04 \7> \w20304 01 01 03
+
+// If the version check is supported, the string is translateable via OpenTTD
+// itself. Use it!.
+
+   -1 * 0	 0B 03 7F 06 "1.1 (or trunk r20304)" 00
+
+// Some OTTD versions before r11130 did support Action B, so use the English
+// phrase there
+   -1 * 0	 0B 03 7F FF "Requires OpenTTD version 1.1 (or trunk r20304) or better." 00
+
+// Final fallback. No Action B support, just skip to the end of the file.
+   -1 * 0	 07 A1 04 \7= FF FF FF FF 00
+
+// We are a DOS paletted NewGRF, so tell OpenTTD that. Then it can actually
+// do the right thing. Yay for that feature as that means no duplicate NewGRF!
+   -1 * 0	 14
+             "C" "INFO"
+                 "B" "PALS" \w1 "D"
+                 00
+             00
+
+// GRF ID, must start with FF so it gets ignored
+//@@WARNING DISABLE 101
+   -1 * 0	 08 08 FF "OTT"
+
+// Name of the GRF
+             "Original baseset extra graphics" 00
+
+// Description of the GRF.
+             "License: GNU General Public License version 2" 0D
+             "Andrew Parkhouse: rivers" 0D
+             "Addi and PaulC: original graphics fixes" 0D
+             "OpenTTD developers: other graphics" 00
+
+//
+// The real data of the GRF is acquired from several subfiles.
+//
+#include "shore.nfo"
+#include "fix_graphics.nfo"
+#include "rivers/rapids.nfo"
+#include "rivers/temperate.nfo"
+#include "rivers/arctic.nfo"
+#include "rivers/tropic.nfo"
+#include "rivers/toyland.nfo"
diff --git a/os/windows/installer/install.nsi b/os/windows/installer/install.nsi
index 9eb869f2d3..c7b8c82af4 100644
--- a/os/windows/installer/install.nsi
+++ b/os/windows/installer/install.nsi
@@ -408,6 +408,7 @@ Section "Uninstall"
 	; Baseset files
 	Delete "$INSTDIR\baseset\opntitle.dat"
 	Delete "$INSTDIR\baseset\openttd.grf"
+	Delete "$INSTDIR\baseset\orig_extra.grf"
 	Delete "$INSTDIR\baseset\orig_win.obg"
 	Delete "$INSTDIR\baseset\orig_dos.obg"
 	Delete "$INSTDIR\baseset\orig_dos_de.obg"
diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
index 10bc0afa17..23172bdd5e 100644
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -197,31 +197,41 @@ static void LoadSpriteTables()
 	InitializeUnicodeGlyphMap();
 
 	/*
-	 * Load the base NewGRF with OTTD required graphics as first NewGRF.
+	 * Load the base and extra NewGRF with OTTD required graphics as first NewGRF.
 	 * However, we do not want it to show up in the list of used NewGRFs,
 	 * so we have to manually add it, and then remove it later.
 	 */
 	GRFConfig *top = _grfconfig;
-	GRFConfig *master = new GRFConfig(used_set->files[GFT_EXTRA].filename);
+
+	/* Default extra graphics */
+	GRFConfig *master = new GRFConfig("OPENTTD.GRF");
+	master->palette |= GRFP_GRF_DOS;
+	FillGRFDetails(master, false, BASESET_DIR);
+	ClrBit(master->flags, GCF_INIT_ONLY);
+
+	/* Baseset extra graphics */
+	GRFConfig *extra = new GRFConfig(used_set->files[GFT_EXTRA].filename);
 
 	/* We know the palette of the base set, so if the base NewGRF is not
 	 * setting one, use the palette of the base set and not the global
 	 * one which might be the wrong palette for this base NewGRF.
 	 * The value set here might be overridden via action14 later. */
 	switch (used_set->palette) {
-		case PAL_DOS:     master->palette |= GRFP_GRF_DOS;     break;
-		case PAL_WINDOWS: master->palette |= GRFP_GRF_WINDOWS; break;
+		case PAL_DOS:     extra->palette |= GRFP_GRF_DOS;     break;
+		case PAL_WINDOWS: extra->palette |= GRFP_GRF_WINDOWS; break;
 		default: break;
 	}
-	FillGRFDetails(master, false, BASESET_DIR);
+	FillGRFDetails(extra, false, BASESET_DIR);
+	ClrBit(extra->flags, GCF_INIT_ONLY);
 
-	ClrBit(master->flags, GCF_INIT_ONLY);
-	master->next = top;
+	extra->next = top;
+	master->next = extra;
 	_grfconfig = master;
 
-	LoadNewGRF(SPR_NEWGRFS_BASE, i);
+	LoadNewGRF(SPR_NEWGRFS_BASE, i, 2);
 
 	/* Free and remove the top element. */
+	delete extra;
 	delete master;
 	_grfconfig = top;
 }
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 7b862149d4..e0246bdf67 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -9203,8 +9203,9 @@ static void AfterLoadGRFs()
  * Load all the NewGRFs.
  * @param load_index The offset for the first sprite to add.
  * @param file_index The Fio index of the first NewGRF to load.
+ * @param num_baseset Number of NewGRFs at the front of the list to look up in the baseset dir instead of the newgrf dir.
  */
-void LoadNewGRF(uint load_index, uint file_index)
+void LoadNewGRF(uint load_index, uint file_index, uint num_baseset)
 {
 	/* In case of networking we need to "sync" the start values
 	 * so all NewGRFs are loaded equally. For this we use the
@@ -9270,7 +9271,7 @@ void LoadNewGRF(uint load_index, uint file_index)
 			if (c->status == GCS_DISABLED || c->status == GCS_NOT_FOUND) continue;
 			if (stage > GLS_INIT && HasBit(c->flags, GCF_INIT_ONLY)) continue;
 
-			Subdirectory subdir = slot == file_index ? BASESET_DIR : NEWGRF_DIR;
+			Subdirectory subdir = slot < file_index + num_baseset ? BASESET_DIR : NEWGRF_DIR;
 			if (!FioCheckFileExists(c->filename, subdir)) {
 				DEBUG(grf, 0, "NewGRF file is missing '%s'; disabling", c->filename);
 				c->status = GCS_NOT_FOUND;
diff --git a/src/newgrf.h b/src/newgrf.h
index 51b00da7c6..1ab55dd044 100644
--- a/src/newgrf.h
+++ b/src/newgrf.h
@@ -183,7 +183,7 @@ extern GRFLoadedFeatures _loaded_newgrf_features;
 byte GetGRFContainerVersion();
 
 void LoadNewGRFFile(struct GRFConfig *config, uint file_index, GrfLoadingStage stage, Subdirectory subdir);
-void LoadNewGRF(uint load_index, uint file_index);
+void LoadNewGRF(uint load_index, uint file_index, uint num_baseset);
 void ReloadNewGRFData(); // in saveload/afterload.cpp
 void ResetNewGRFData();
 void ResetPersistentNewGRFData();