This used to be a paid for program, but now they have made it freeware, so have a look, its quite a good imaging editing program with plenty of advanced features.
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website link...
http://www.photopos.com/
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about.....
Photo Pos Pro allows you easily create, edit, enhance, print, and manipulate your digital photos and computer graphics, and easily create eye-catching graphics, beautiful collages, greeting cards, business cards, website designs, buttons and much more.