Bryce lightning is meat to allow network rendering fo bryce. That means that when you render one project you use Bryce lightning to render it with several computers at a time. This reduces the rendertime, but you need a network. I've heard that a lot of people don't know how to set up the render-network. Strangely I couldn't find any tutorials about networkrendering.

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(")(")This is Bunny. Copy and paste bunny into your signature to help him gain world domination.