An experiment with light sources and painted cloud shaders.
DJ
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Keep working on it. A lot of people have tried various things with fire and such, but the best one I've seen in two years has been from njen and this was about two years ago. I'll see if I can find it.
[edit] - Found it! http://forums.planetside.co.uk/index.php?topic=321.msg2008#msg2008[/edit]
No, no, the best one was the finished image http://www.motionmagnetic.com/a_terragen2/UnstableWastelandRevisited_RyanGrobins.jpg