I agree with everyone about the Squadron Leader, it's one of the coolest ever.
Player's Airman might do well too if it was resurrected...
http://pipesmagazine.com/forums/topic/players-airman-survey-of-a-long-gone-tobacco-and-etc-very-image-heavy
Probably my favorite tin art is this old German stuff,
it's just badass!
My favorite contemporary label is probably Sextant,
...and Gaslight, and hell, GLP does a great job all around on his labels.
Since we're also throwin' oldschool stuff into the mix,
here's a few golden oldies...
I've always dug the Navy themed stuff,
The way 759 was a perfect negative of the white BS mixture I thought was brilliant.
The old 3N was very elegant and appealing.
...and a few more random faves.