Attached Link: http://www.freewriters.ca/blogger/bryce/2004/07/bryce-5-and-radiosity_27.html

shadows make up for a huge chunk of realism. the problem with bryce is that it takes forever to render scenes with lots of lights. this is compounded immensly when you add shadows (soft shadows in particular) to the effect. In general, shadow banding (like 10 shadows from 10 light sources overlapping each other over an object) is considered "meh.." Technical terminology aside, the only solution is to have only one shadow source in all your works. bunching up 10 lights is the exact same as having one light with 10x the power. It does not even begin to give you radiosity. using a radiosity dome, however, fakes it decently well, provided the right reflectivity settings are placed on all objects in the scene and you handle shadows properly (i.e. one shadow source, balancing the light levels between that light/shadow source and the rest of the light dome). radiosity is the effect you see in real life when light bounces off most surfaces and continues to light the room. it's not reflectivity, it's a property of real life light. bryce doesn't have that. therefore you need to fake it. there are different techniques for this (follow the link for explanation, etc.) drac