I liked the pepsi commercials in sign language!

http://youtube.com/watch?v=cD7uLrjKpuY&feature=related

For more info go to:
http://www.pepsiusa.com/bobshouse

Also, the one with Missy Elliot and Busta Rhymes was pretty cute, too:
http://www.youtube.com/watch?v=UVYzxxgKXTY