A While back I made an inverted version of the minetest default textures never released it well I dug it up again and decided to put what I had then Up Enjoy!
Download 0.3
Download 0.4
note these textures havent been touched aside from my spotty renaming since minetest version 0.2.20110602_0 to 0.2.20110731_1 era be wary!