Petshoo I have a great answer to your SSS question. The answer comes from Charles Brissat Lead Enginner of Carrara. I asked him if this is what Carrara 5 uses. http://graphics.ucsd.edu/~henrik/papers/bssrdf/ http://graphics.ucsd.edu/~henrik/papers/fast_bssrdf/ His answer is YES!!!!!!!!!!! >>> charles@eovia.com 10/30/2005 3:09 AM >>> The Sub-surface scattering is the exact implementation of those articles. Charles