Everything is copyright of its creator anyway.
If you used bits of other people's copyrighted images to create a composite that complicates things, but I'm not sure how.
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Wed 23 Mar 2005, 10:31,
archived)
Possibly
Copyright is automatically granted to the creator of a work unless said work is done for work purposes as an employee of a company or the piece is commissioned. Most b3ta work, although it uses copyrighted materials, should be safe under the provisions of fair use and parody, I'd imagine.
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Thu 24 Mar 2005, 7:22,
archived)