If you loved Seth Grahame-Smith's Abraham Lincoln: Vampire Hunter, then you have to check out the book trailer for the sequel: The Last American Vampire. Even if you are not a fan of the books, it's still a good example of how to make a kick-ass book trailer.
Since I am self-publishing the last two books in the Rotter World series, I've done a lot of
research to make this venture a success. 5 Self-Publishing Truths Few Authors Talk About is one of the most concise
(and depressingly sobering) pieces of advice I've read.