All of my fractals are made with the free program Apophysis. For more information on fractals: http://en.wikipedia.org/wiki/Fractal Despite what most might think, the mathematical basis of this art does not exclude creativity, and the artist is ultimately the one who controls what the image looks like. Personally I find it a fascinating program to work with, and very challenging. I have yet to fully master the program, but that's part of its appeal...