Check out Frederik Vanhoutte's experiments in generative graphics

Frederik Vanhoutte describes himself as a creative coder who works in the field of generative art. His site W:BLUT has lots of cool little experiments. Above, Big Red I, a longer fractal experiment that evokes FRank Lloyd Wright.

Above: an experiment using his generative rainbow code. Below is Danzer Zoom I, another fractal experiment.

W:BLUT (via