Re: Fire
Pov-Ray has a way to simulate fire by creating an interior media within your object which can get pretty complicated.
The examples that I've seen were ok, but not that great. Using Pov for that effect is hard to control and doesn't give you that fine detail like fine whisps of flame.
An easier and simpler way that you can do it is simply find a good flame picture on a black background and create a transparent targa file out of it to where the black area would be transparent. Take that and apply it to your surface.
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