Took a bunch of pictures while painting my second 7TP tank platoon and figured I would make a step by step tutorial. Halfway through I mention that you can opt for a more historically accurate look or just keep painting to get the end result that I tend to go for.
I use this method for both artillery and AFV's
http://anatolisgameroom.blogspot.com/2011/03/painting-polish-15mm-afv-and-artillery.htmlStep 1
Historically accurate, halfway through
My end result