I thought I saw something on this before, but did a search and found nothing... s can be seen from the image, its pretty dark. This currently has only 4 lights, but I've tried the sets that come with the cyclorama and som gloabals with the same end result. Why is this and how can I fix it???

Humankind has not woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound together.
All things connect......Chief Seattle, 1854