Very clean design and interesting idea. I would look into making a Facebook connect application that can allow people to post their food choice to their wall or in a profile tab or something.
Great concept... I like the simple approach... Id definitely recommend standardizing picture width so they all appear on the same place when you click [Im not]
Nice clean website. I doubt I'd need to visit it again though. The counter at the bottom goes up everytime the page is refreshed or you click "No I'm Not"