My project work is suffering but this is just too much fun.
There are some actual scripts/source overhere, some are linked with the images, I'll sort it all out, one bright, beautiful day.
<-- Them's links.
(when I first read about these things, bloody ages ago, I *also* missed loads of sleep over playing with them and the computer,
but then it was calculating and drawing bifurcation diagrams by hand, and using the computer to write notes. Good times..)