Try to click and drag in the Applet area! Left mouse button fills and right mouse button clears the cells. Game Of Life was invented by John Conway. The Rabbits-Pattern and other interesting patterns can be found at Eric Weisstein's page.
That's the source: GOLCellularAutomaton.java and GOLCellularAutomatonCanvas.java
With 1D CA, like Wolfram's Rule 30, you can display more than one step at once in 2D. For a 2D you can display more than one step in 3D. A rendering with Povray of my Symmetric Rabbits:
1600x1200 true color image of the image above
8000x6000 true color image of the image above
Animated (wait some minutes until the whole gif is loaded):
The Povray-file and animation ini-file (mainly produced by a System.out.println in the GOLAutomatonCanvas).