Well..here's my first try at this atmosphere thing...what are the settings supposed to be ? Also quite a long render in Production mode...this is DRAFT FF... It must have been quite a challenge to do the above images..

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