Nice pics, guys.
jimbo, my fire at idle (now 4 on, 13 off) looked pretty close to yours when I had the blower running constantly, and I've not had any problems with a low fire like that.
I gave up on the dots as a fine-tuner, I just adjust the stroke to not push fire off the grates at a full-power burn, but I'm pushing 2 dots at the moment if that helps. Right now i can go about another 3/4+ turn up, but I'll save that for when it gets really
I'm going to try to post 2 pics that show the fire when cranking as she's set now, stove surface temp 560-ish. Usually the flames lick up into the pent-roof, once in awhile one reaches out into the firebox. When I opened the door for the second shot, the flames got stirred up, mostly they roll or stream evenly upwards.