Life? Golly!
For those of you interested in such things as John Conway's Game of Life, a new open-source implementation pretty much takes the cake in terms of speed, size, and samples. You can find it on SourceForge at http://golly.sourceforge.net/. I've created a dung beetle who leaves presents in his path:
I wouldn't be surprised if it's not original, but I've never seen it before...