Here is the content of graphics_module.txt used in building Impilo 8.04.

#
# Graphics tools for Impilo
#
gimp
gimp-data
gimp-dcraw
gimp-helpbrowser
gimp-help-common 
gimp-help-fr 
gimp-help-en 
gimp-data-extras 
gimp-gutenprint 
gimp-plugin-registry
ghostscript
inkscape 
imagemagick
xfmedia
xfmedia-remote-plugin
xsane
xsane-doc