@bagginsbill:
Thank you for your fast answer and correcting my mistake.
I am glad that there was only the mistake about the lens :)
Reading so much threads (the big VSS one has 58 pages) about VSS,
shaders and GC i was a bit confused.
But now i am happy with the output i get from VSS and i know how the basic things
concerning VSS GC and the GC Lens belongs together.
Time to get deeper into VSS and Matmatic is also waiting for me :)

happy greetings
xuu4u

ps:  BB  you are programming VSS in python. I found a way how to run IDLE (mini gui and working debugger) Inside Poser7. Mybe this could be helpful for you .
Some days ago i wrote a quick tutorial how to do this.
Part1
http://www.renderosity.com/mod/tutorial/index.php?tutorial_id=2222
Part2
http://www.renderosity.com/mod/tutorial/index.php?tutorial_id=2223