here are some fractal sets you can download. each fractal set contains 100 images.
you can view the keys here

fractal set 1 view download
fractal set 2 view download
fractal set 3 view download
fractal set 4 view download
fractal set 5 view download
fractal set 6 view download
fractal set 7 view download

you can also download the source code here