The free version of The Spore Creature Creator has got leaked onto thar internet a few days early (it has been leaked since the 14th, but I'm only noticing it now - strange no-one else did either :P). Anyway you can find a torrent of it here:
http://www.mininova.org/tor/1503646
The paid for creature creator (which includes the full range of creature creation stuff) will be released tomorrow - 17th June.