These guys are just kids and amateurs but they did a pretty good job on the special effects. The second one is best, but they are both good.
http://youtube.com/watch?v=8NE5elL30w4&mode=related&search=
http://youtube.com/watch?v=-is63goeBgc&mode=related&search=
http://youtube.com/watch?v=8NE5elL30w4&mode=related&search=
http://youtube.com/watch?v=-is63goeBgc&mode=related&search=