Thanks!  How best to do the atmophere transparency? I can't seem to get it to where the halo effect will be there but without turnning everything else blue - the color of the amtmoshere. I'm sure there is a refraction setting or something that would work well with this....

Windows 10 - Poser Pro 2012 - 64Bit - 24GB RAM - 4 x 3.40 GHZ processor