Ahoy there. When I can't think of anything else to do, I usually end up doing something with a World Of Goo style theme :P so here's a few from me:

http://img340.imageshack.us/img340/4422/chromekids2.png
http://img32.imageshack.us/img32/4127/robot2x.png

(Use the space bar and arrow keys for this one, and it follows the cursor)
http://spamtheweb.com/ul/upload/2609/58388_Goo2.php

(This is just the non interactive version of that one)
http://spamtheweb.com/ul/upload/2609/58693_Goo.php

http://img27.imageshack.us/img27/2272/worldofgoo1.png
http://img693.imageshack.us/img693/3423/worldofgoocel.png
http://img268.imageshack.us/img268/8025/wogbackground.png

Mhm. I plan to make more, huzzah. Also ITT feel free to post your own, lets not limit this to only my stuff :/

Great job!  :D