flib, see att img fr reasonable indirect lite settings.  these cause reasonable values of "hidden GI variables" to appear in d3d's script, as mentioned by whichway in one of these threads.  there is no need to use d3d's script for now.  there are several errors in its implementation which may be fixed in a later SR.

p.s. I was able to provoke one or more profs at school to shake their fist at me and say "I got more brains in me little finger than you got in yer entire body", hence earning the coveted "teacher irritator" award. :lol: