1000+ Ways to Open a Beer Bottle
Here it is, the first 15 methods courtesy of WonderHowTo, plus 1001 and counting from Stefan Lampert's blog solely dedicated to the subject. Stefan's blog is in German, so English speakers should click on Google Translator in the upper left corner.
Oh, and don't forget the clever method pictured above via There, I Fixed It.
A few favorites from Stefan's blog: