Strange Brushes

I created a simplified version of my generative art program, which I call "Strange Brushes", that (almost*) anyone can use.  

Here's what it looks like after you've evolved for a couple of generations:

If you come up with an image you like, please do post a link to it in the comments. 

*I've only tested this on the latest Chrome, Safari and FireFox OSX versions.  Sorry if you use IE but I don't have the time or inclination to make it work there.