Need something a little different to add to your Beowulf unit? Here is a video short (much like Pixar has before their movies) created by students at BYU that shows Grendel in a bit of a different light:
Grendel from BYU Animation on Vimeo.
For your own enjoyment, assuming you are a Tolkien nerd, J. R. R. Tolkien has a prose translation of the epic poem complete with his own fan fiction short story at the end ("Sellic Spell")! You can get your own copy here: