Eric Wujuck’s Diceless discussion, on luck, roleplaying, and strategizing.
Your goal as a Dogs GM, reiterated by Vincent. Good clarification.
A couple of good posts about Kickers. Kickers 1 and Kickers 2.
A great town for Dogs, honed through discussion. Olive Grove Branch.
GM Resources: a huge meta-thread filled with links to other good threads about all kinds of GM inspiration and the like.
Blogging your game sessions advice and encouragement from Treasure Tables.