Mostly, whatever I can find. Gordon's Food Service has some with their name on it that is made by Royal Oak, and so far, I haven't found any rocks or fiberglass in it like in the regular Royal Oak. Maybe Gordon's has set more strict standards for their branded lump, or maybe I have just been lucky.
I did not realize that kingsford made lump...
The Battle Wagon used on the BBQ Pitmasters Show "Chicken Wang, Chicken Wang, Chicken Wang" NOW lives in O-Town, Floriddy
Stump's Smoker "Baby" (Pretty in Pink)
Stump's Smoker "Tailgater"
Stump's Smoker "Monster" (01/08/2013)
Weber Smokey Joe (Homer Simpson Edition Mini BGE