In the spirit of favorite one hit wonders, I thought I'd like to hear some of your favorite covers. High on my list is "Easy" by Faith no More, originally by Lionel Ritchie. While the music and vocals would make it worthy enough, the video is something you just can't miss.
http://www.youtube.com/watch?v=Y0lhTl44CW8
http://www.youtube.com/watch?v=Y0lhTl44CW8