http://www.renderosity.com/mod/rrwiki/index.php/Poser_Shader_Threads

Try the Material Room Wiki and see if there is anything there that might help.

There is a section of "glow without lights"  and there are some ghost discussions/tutorials under "Misc" and "RDNA"

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi