Great guitar riffs

Here are 100:o to kick things off
http://www.youtube.com/watch?v=pNq94...eature=related

http://www.youtube.com/watch?v=oMFYs3gfgis

always thought that one was kind of catchy

http://www.youtube.com/watch?v=WOOFx9c6qyA

Bo Diddley always a favorite

Simple but so dam catchy

http://www.youtube.com/watch?v=rbciLHTeGio&feature=relmfu

http://www.youtube.com/watch?v=9cadbYIzhqQ

Those dudes are beyond riff.