If you haven't heard by now, Animoto is one of the best photo/video mashup tools out there. (You can read some past posts I've done on it here.) In a nutshell, users can upload photos and videos, select some music to set the mood and create some of the most professional (and really cool looking) videos out there.
Here is one I did for the Inauguration
A while back I asked my PLN what advice they would give to new Animoto users. Here is what they said:
What great tips! Remember, Animoto is free for Educators. Which means it will be free for your students to use. So head over there, sign up and get those creative juices flowing!