Tupac Shakur was one of the greatest rappers to grace the stage, and today, in honor of what would've been his 40th birthday, we've decided to celebrate the legend in the only way we know how: By showcasing the auto-artwork of his die hard fans. We know, it's probably not the coolest thing to do, but Tupac inspired a legion of freaks to put his likeness on their stuff. We just happened to find some of the worst examples.