Great work!
I'm just working on a Spit-template after I completely reworked Foo'bars 109-template. A very good template, but I never felt comfortable with various points, so in the meanwhile I've completely redone the whole thing - bolt by bolt.
My personal feeling is, though, that bolts and panel-lines are mostly overdone. It's good this is up to one's personal preference, but I oriented on original pictures and tried to find a way between a realistic look and somewhat more eyecandy 3D-effects. The problems is, though, that you mostly see the metal surrounding the bolts, due to their bent shape and different reflections, rather than the bolts themselves. This is my result:
For my Spit-template, I use pictures like this to adjust strength of panellines and stuff:
