A mech that I made for the open source community and just for fun. It will be used in Linwarrior 3D. http://hackcraft.de/games/linwarrior_3d/
Here's a turntable video:
I named it Thunderbird after the mythological creature.
If you want to create new camouflages, then you can simply add some procedural textures, overlay them with the "Dirt" texture, and bake them to a new image.