Here are a few places I've been while working on the next links update. More to come as I find them.
bryce stuff -
http://azerbryce.site.voila.fr/
More
bryce stuff and
photoshop -
http://www.infinitee-designs.com/Downloads.htm
3D ModelWORKS - Mostly models, freebies left bottom -
http://www.3dmodelworks.com/
Model Bank has a free model of the month -
http://www.modelbank.com/
Automobile blueprints for modelers here -
http://cgworld.ru/modules.php?name=Blueprints
Human anatomy for artists -
http://www.fineart.sk/
"Gray's Anatomy of the Human Body" online -
http://www.bartelby.com/107/
Modeling reference site -
http://www.cloudster.com/VaultLobby.htm
Some characters sets that Pangor let me know about that are free at Planit 3D and elsewhere.
For the Freak and M3 -
http://www.planit3d.com/source/Poser/gregor/gregor.html
For V3 -
http://www.planit3d.com/source/Poser/msk3d1.html
At PoserPower, a morph to make David a young boy -
http://poserpower.com/phpBB2/viewtopic.php?t=41
4BlueEyes - Mostly P5 and above, but some P4 goodies -
http://www.4blueyes.com/freebies.php?q=clothes&p=1&rf=barracuda