Hi Lrdsatyr8; You can use of a picture for simulate the sky effects, if you work in a closed space (for example a sphe what you texturate with your picture, and you play with the transparency of the object for adjust the searched effects with your current sky and atmosphe) after, you create your scene into the sphe... i use of this for make my "space"scenes in Vue2.1(you can see the pictures on my gallery here, the "abstracts things" series...). Hope this, can help you. georges. :)