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Analog-X - for a tutorial, its actually done in a similar way to a lot of my other bryce images - make the environment, make smaller scene files of localised people groups and localised lighting effects, then merge small scene files with the environment scene file and render inserted small scene file by inserted small scene file. Vue couldn't handle it all in one file so had to revert to the good old tried and tested techniques.

I see......now do you have a Mid-Range or High End PC?? just curious what kind of power is required.