There are two more logos available for your viewing pleasure (they are at the bottom of the page).  Eventually a vote will conducted so you can choose your favorite  :-)

http://simplygnustep.sourceforge.net/NewLogos.html

My email client went sour and I lost a bunch of email.  Sadly, this included the names of some of the submitters.  If you see your work w/o a name underneath it, please email me so I can give you the credit you deserve.

Chad