Wild stuff man! Pretty awesome considering that it's just Bryce and Poser (and maybe some kind of video editor.) BTW, how many tries does it take just to work out one scene? I doubt your friends would rip on it as much if they knew more about the process of what's involved in rendering these things. Maybe you should talk 'em into running Bryce Lightning for ya. Dunno what else there is beyond this... (Maybe learn Blender, but it's a bit complex. I know I've got that on a list of things to do.)

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Barbequed Pixels?

Your friendly neighborhood Wings3D nut.
Also feel free to browse my freebies at ShareCG.
There might be something worth downloading.