Brazil for Rhino

I'm working with Rhino and Bongo and I have to animate a submarine object. I would like insert an effect as watched in Pixar's "Finding Nemo": a thin blade of bright light which cherishes all objects every so many seconds. The best solution would be several caustics, but I need to save...

Hello: I've been using Rhino for several years now and am really impressed with the Brazil renderer - the Skylight feature gives just the right degree of semi-realism for our presentation renderings. One thing I have had a hard time with, however, is getting the white fabric that covers our structures...