The GNU Image Manipulation Program, or GIMP, is a raster graphics editor application with some support for vector graphics. [http://en.wikipedia.org/wiki/GIMP more...]

== Get the GIMP ==
 * Linux: [http://www.gimp.org/ official Webpage] or as package in your favorite Distribution
 * Windows: [http://gimp-win.sourceforge.net/stable.html Installer] (don't forget to install GTK+2 too)

== GIMP Texturing !HowTos ==
 * [http://gug.sunsite.dk/tutorials/brushed-metal/ very simple metal]
 * [http://gug.sunsite.dk/tutorials/lorindol2/?PHPSESSID=ccaa rusty texture] (I hope we find a better one)
 * [http://gug.sunsite.dk/tutorials/alastair1/ marble]
 * [http://www.highpoly3d.com/writer/tutorials/tileable/seamless.htm making a texture tileable]

... just a collection of tutorials... not evaluated yet!

== other GIMP !HowTos ==
 * [http://home.tele2.fr/auroreblender/gimp/planet_en.html Planet creation script]

== Other !HowTos (not GIMP specific) ==
 * [http://www.stormvision.net/index.cfm/act/tutorials/tutorial_ID/1 Texture Tutorial] - How to create a tileable texture out of a non-tileable texture
 * [http://www.gfxartist.com/features/tutorials/740 tilable texture] (photoshop)