looks promising; imagemagick tricks could be the backend of something similar
Video-courses made up of links to free video tutorials from around the web.
And most are under the GPL \o/
online image editing
Critical thoughts on Adobe's Digital Negative (DNG) raw file format
Freeware fractal flame editor for Windows
All the truth about Seetharaman Narayanan
Photoshop fakes of \'miniature\' scenes as if they were taken with a real tilt-shift lens.
FreakingNews is the top news photoshop contest site on the web.