Wasn't there an episode where Saul was delivering cash to Brock's mom, at Jesse's request, and while he was there gave the kid a piece of pie or cheesecake or something, with berry topping? The kid had been poisoned with lily of the valley berries. He likely delivered it on behalf of Walt.

Sal loomed large for me, not only because of this little anecdote, but because of Don's misplaced cigarette lighter. Remember when Ken went for dinner at Sal's place and left his cigarette lighter behind? And Sal kept it, because he was sexually attracted to him? In both cases, the cigarette lighter represents another…