Photo Story is a free software application made by Microsoft that allows users to make presentations using digital photographs.  The user can easily move pictures around, insert effects and transitions, and add narration and music to create a movie file.  Compared to other movie applications, Photo Story is easy for elementary students to use.

If you do not already have Photo Story 3 loaded onto your computer, just put in a HEAT request, and they'll be happy to take care of this for you.

Jakes Online Tutorials is a great place to get started in using Photo Story.