Big Myth has some great animated creation myths from the around the world. Just click on on area and the myth will load. Many are available free but you can order a disc for a nominal fee and get them all. You can even download the creation stories in a PDF. These work well for both younger and older students. My religion students, mostly juniors and seniors, loved them last year.
In addition to listening to creation myths, students can also examine different ways of interpreting myths from this university site. Maybe students could make a list and try to find myths that fit into the different categories.