[lwhi]

Perlin noise[1] could be a nice addition.

[1] http://en.wikipedia.org/wiki/Perlin_noise

[ohrite]

I hacked up http://github.com/ohrite/jquery-perlin a while back.

edit: I had to go look at it. Now I want to go back and clean it up.

[chrisbroadfoot]

... and write a demo page :)

[lwhi]

Nice.