This plugin was tested with Gimp 2.6, GCC 4.2.4 and GTK+ 2.12. Older versions may work too, but for example you have to remove some compiler options. Main file is "plugin-img.c". The simplest way to install is just type "make install". It will build the plugin and copy it to user's Gimp directory (~/.gimp-2.6/plug-ins/) See Makefile for details. Example: make install gcc -c -I/usr/include/gimp-2.0 -I/usr/include/gtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pixman-1 -O2 -ansi -pedantic -Wall -Wextra -Wno-attributes -Wno-unused-parameter -save-temps -g img-load.c -o img-load.o In file included from /usr/include/gimp-2.0/libgimpbase/gimpbase.h:28, from /usr/include/gimp-2.0/libgimp/gimp.h:28, from plugin-img.h:5, from img-load.c:2: /usr/include/gimp-2.0/libgimpbase/gimpcpuaccel.h:31: warning: ISO C restricts enumerator values to range of 'int' gcc -c -I/usr/include/gimp-2.0 -I/usr/include/gtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pixman-1 -O2 -ansi -pedantic -Wall -Wextra -Wno-attributes -Wno-unused-parameter -save-temps -g img-save-dialog.c -o img-save-dialog.o In file included from /usr/include/gimp-2.0/libgimpbase/gimpbase.h:28, from /usr/include/gimp-2.0/libgimp/gimp.h:28, from plugin-img.h:5, from img-save-dialog.c:2: /usr/include/gimp-2.0/libgimpbase/gimpcpuaccel.h:31: warning: ISO C restricts enumerator values to range of 'int' gcc -c -I/usr/include/gimp-2.0 -I/usr/include/gtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pixman-1 -O2 -ansi -pedantic -Wall -Wextra -Wno-attributes -Wno-unused-parameter -save-temps -g img-save.c -o img-save.o In file included from /usr/include/gimp-2.0/libgimpbase/gimpbase.h:28, from /usr/include/gimp-2.0/libgimp/gimp.h:28, from plugin-img.h:5, from img-save.c:2: /usr/include/gimp-2.0/libgimpbase/gimpcpuaccel.h:31: warning: ISO C restricts enumerator values to range of 'int' gcc -c -I/usr/include/gimp-2.0 -I/usr/include/gtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pixman-1 -O2 -ansi -pedantic -Wall -Wextra -Wno-attributes -Wno-unused-parameter -save-temps -g plugin-img.c -o plugin-img.o In file included from /usr/include/gimp-2.0/libgimpbase/gimpbase.h:28, from /usr/include/gimp-2.0/libgimp/gimp.h:28, from plugin-img.h:5, from plugin-img.c:2: /usr/include/gimp-2.0/libgimpbase/gimpcpuaccel.h:31: warning: ISO C restricts enumerator values to range of 'int' gcc -lgimpui-2.0 -lgimpwidgets-2.0 -lgimpmodule-2.0 -lgimp-2.0 -lgimpmath-2.0 -lgimpconfig-2.0 -lgimpcolor-2.0 -lgimpbase-2.0 -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 img-load.o img-save-dialog.o img-save.o plugin-img.o -o plugin-img gimptool-2.0 --install-bin plugin-img cp plugin-img /home/pashev/.gimp-2.6/plug-ins