MindBites.com, an instructional video marketplace I work with (Sell your videos for $.99 to $99.00), is running a screencast contest at the moment. The entry deadline is June 1st, with voting going through the 8th. The grand prize is a $1,000 and a copy of Camtasia Studio, the people's choice winner (you can get your friends to vote) gets $500.
Screencast 4 Cash Video Contest | MindBites.com
One of our most popular videos is 'Intro to Final Cut Express', so video and photo production tutorials work well.
Intro to Final Cut Express | MindBites.com
If anyone is interested in whipping up something on their favorite video or photo editing tool, you'll retain all rights and you might win $1,000!