The guys at Bangitout.com (Seth and Isaac Galena) have published a Passover Seder Sidekick. It is 46 pages, contains many song parodies, and is available online at the Bangitout website.
One of my favorite Passover related videos on YouTube is an instructional video in Japanese teaching how to cut a matzah perfectly in half. Check it out:
Wishing everyone a chag sameach – a joyous Passover holiday!