Deecey, I found some information where you may learm some about lights. Global Illumination http://www.cs.kuleuven.ac.be/~phil/GI/ HDRI http://www.rendermania.com/HDRI/index.shtml IBL http://athens.ict.usc.edu/IBL2001/ AO http://www-viz.tamu.edu/students/bmoyer/617/ambocc/ Subsurface scatter http://graphics.cs.uiuc.edu/~jch/papers/gpuradsub.pdf Translucency and Subsurface Scatter http://www.neilblevins.com/cg_education/translucency/translucency.htm There are few more and I will post links later on