Here are some links for producing your own
video:
From Beginner to Advanced, tutorials on video production
http://www.mediacollege.com/video/camera/
How to make an anime music video
http://anime.about.com/od/howtos/ht/aa070204.htm
How to make video mashups
http://www.pcworld.com/article/id,143321/article.html
iMovie tutorials from Apple
http://www.apple.com/ilife/tutorials/#imovie