Wow - looks like some great entries from C2 on there. Rilem - that looks awesome, make sure you put a link up here :)
Here's mine - first time in Ludum Dare, and really enjoyed it:
Arena - Ludum Dare Page
<img src="http://roguenoodle.com/Arena/21449-shot0.png" border="0">
(But whatever you do, don't look directly into my source code - it can bring only madness ;)