Tony M is right - I never found any info on how to do it. Here is what I discoverd through trial and error.
http://www.chuckthetruck.homestead.com/page20.html

http://www.chuckthetruck.homestead.com/page21.html

http://www.chuckthetruck.homestead.com/page22.html

I haven't taken a pic yet of the latest, but they are almost perfect now - bottom of the drivers door is out 1/16" everywhere else is flush.