If you're a Star Wars fan and like a good parody ... check these out for a good laugh
http://www.storewars.org/flash/ (ok for kids)
http://www.sequentialpictures.com/moviestarwarsepisode3.html (not for kids)
And finally there's a bunch of fan created films available for download from theforce.net
There's also an impressive fan created Star Wars film called "Revelations" ... it's a large download for 47 mins of video, but worth the wait for Star Wars die hards.