For anyone interested in mashups, remixes, or Creative Commons, Total Recut http://totalrecut.com is running a short remix video contest. They've lined up some great judges (Lawrence Lessig, Kembrew McLeod, and Mark Hosler among others) and prizes for the winners (looks like specifics are TBA). You can read more about it here http://www.totalrecut.com/contest1.php
Aaron Valdez http://wreckandsalvage.com