Or some HTML5: <a href="http://www.shodor.org/interactivate/activities/TheChaosGame/" rel="nofollow">http://www.shodor.org/interactivate/activities/TheChaosGame/</a> and <a href="http://rectangleworld.com/demos/ChaosGame2/chaos_game_2.html" rel="nofollow">http://rectangleworld.com/demos/ChaosGame2/chaos_game_2.html</a>
Nice! Love fractals.
I made something similar, its very buggy though: <a href="http://pixellab.jozefmaxted.co.uk/#/drawings/1249" rel="nofollow">http://pixellab.jozefmaxted.co.uk/#/drawings/1249</a>