This is one of the coolest free things I've come across in a while. Take any image and rasterbate it (lol) to create huge, rasterized images from any picture. The rasterized images can be printed and assembled into extremely cool looking posters up to 20 meters in size. My walls are going to be covered.
http://homokaasu.org/rasterbator/
http://homokaasu.org/rasterbator/
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