However, in this 2.0 class, I created this 30 second video using images I found searching Flicker's Creative Commons site and made a little blurb about mail art.
Try our slideshow creator at Animoto.
This would be a fun way for students to explain any topic they have learned in 30 seconds. I say 30 seconds, as that is the free version length. You will need to subscribe to have additional video time. Using video to explain or tell a story reaches all learning styles and is fun and creative. Give it a try!
Here is a link to an interesting article about using video in the classroom by Richard Byrne.