Try thunder-ball.net
BTW adding this link to the Wordpress loop submits the post to Digg. If you set up a submit script to accept these I think you can convince adult bloggers to put your code on their sites and you'll get lots of exposure. Let the surfers submit the best stuff for you.
Code:
<a href="http://www.digg.com/submit?phase=2&url=<?php the_permalink() ?>">Digg It</a>