ok i have provided a hand in this thread:
http://forumserver.twoplustwo.com/showfl...e=0&fpart=3
and also tried one here:
http://forumserver.twoplustwo.com/showfl...ue#Post11497390
but as you can see the second one didnt really work out that well, but i hope the interested ones will have a look at both and maybe contribute their thoughts.