Here's some links, i hope it helps :)

Guida

http://www.renderosity.com/tut.ez?Form.ViewPages=202
http://www.renderosity.com/messages.ez?Form.ShowMessage=1655455
http://www.daz3d.com/support/tutorial/index.php?id=939
http://www.daz3d.com/support/tutorial/index.php?id=909