Link to xtranormal video: http://www.xtranormal.com/watch/13564627/voodooz-movie
Xtranormal is fun and easy to use. Students will feel more comfortable since they are not being seen by the other students.
Link to Prezi:
Prezi is like great. the motions that you can use for the transitions makes it very cool. Students figure it out fast and they get a huge free account. Prezi is one of my favorites.
Prezi (student project):