These Images are all jpg and 180x180. They were created with a PHP script using bitwise operators. Here are the codes used for this page. Feel free to transload any images to use for your art work.
The red images can be altered in color at IM using the Hue option. Here is a tute from Flo on the color scheme. This opion is found under Enhance at IM. Other colors can also be changed but they will not be the same number scheme as in the tute.