Thanks to moderator/artist Chongster, we have a United SpongeBob Christmas Advent Calendar. Each day, a the corresponding number will be replaced with something nifty and SpongeBob-related. For example, for the 5th, it is an insanely cool looking wallpaper of Squidward dancing iPod-commercial style, drawn by Chongster. Stay tuned, it only gets better as we get closer to Christmas. The link is up at the top of the page.
Note: There is some messed up code going on on that page, and I'm not sure all browsers are compatible with it. If you have any problems, email me.