A couple batches of photos snagged from eBay.
Tyndall Field, FL B-24 (B-29 systems trainer?)

More like it on the flight line, plus some regular J-models:

Some have two-digit field codes, but at least nine of them are coded "4H##":

Pinball RP-63s:

More of them:

Dyersburg AAF-based TB-17G 42-97618
Mary Jane:

Just below its nose, three AT-10s with "BL" codes, probably Blytheville AAF:

More AT-10s from the same lot:


Thanks for looking!
_________________

All right, Mister Dorfmann, start pullin'!
Pilot: "Flap switch works hard in down position."
Mechanic: "Flap switch checked OK. Pilot needs more P.T." - Flight report, TB-17G 42-102875 (Hobbs AAF)