FOSS gamedev and creative worlds

want to make 16x16 pixel sprites-textures?
here:
16×16 Pixel Art Tutorial:
http://www.photonstorm.com/archives/2291/16x16-pixel-art-tutorial

Other tutorials:
Some Pixel Art Tutorials (by SolarLune):
http://minetest.net/forum/viewtopic.php?id=643

How to... make textures with minecraft style (by Shelby Smith):
http://minetest.net/forum/viewtopic.php?id=855

Pixel Art : Sword in One minute with The Gimp (by DarkDooxe):
http://minetest.net/forum/viewtopic.php?id=697