Great site with tons of iPad apps for the classroom (and ways you can use it even if you only have ONE iPad). I use my iPad with my classes a lot. Tons of great apps (I use it with my Kindergarten kids)
How Full Is Your Bucket by Tom Rath and Mary Reckmeyer. Run Time: 7min. The story is about a boy named Felix who learns how one's own interactions with others can have a profound effect on one's own happiness and that of others.