SPARTAN: Procedural Tile Generator
It would be awesome to see this turned into a library for dynamically generating aperiodic Wang tiles[0] for one "idea". (ie: grass or cobblestone that doesn't appear to repeat)<p>[0] <a href="http://en.wikipedia.org/wiki/Wang_tile" rel="nofollow">http://en.wikipedia.org/wiki/Wang_tile</a>