i made a plant growy thing while i was bored, its kind of amusing for a bit
http://dl.dropbox.com/u/1010927/DLA%20grower.cap
uses Diffusion-limited aggregation to grow.
press space to start it
space again to start over anew
repeat ect.
you can also draw a growing surface by clicking and dragging. it will be cleared when you press space twice.