Animoto

 http://animoto.com/education  Teachers can apply for a free Animoto Plus account for use in the classroom.  You can make up to fifty 30 second videos to create presentations incorporating images, video clips, music and text.

Class clips

More than 2,000 clips from BBC programmes on Learning Zone Broadband are ready to play in the classroom. All you have to do is enter a subject, a topic or a keyword and lots of BBC video clips are ready to show to your class.