If you've never read any of my books (or if you have), I have trailers for all of them at YouTube. They were fun to work on and I learned a lot by doing them. First, I had to remember the plot of all 56 of my books. That's a feat in itself. Then I had to pick out pictures and music to tell a teaser for the story. I used Paintshop, Paint.net, Movie Maker, and YouTube's video creator to make them.
If you're ever interested in making book trailers like this, I think you'll enjoy it. It's not too bad, actually!
Have a great week!