If you want the chance to win a $500 American Express gift check, you can submit a video response to the sample video shot by the two unnamed Bing interns below.
From the two video responses already submitted, we can tell there's going to be a lot of sub-par submissions. That said, if we had to choose between the two, the one embedded below is the less annoying and more amusing of the two.
Click here for the official rules. You'll need to respond to the video on this page to enter your own jingle.