But here's what I want to know: what does Jack have in there for "disposing the body": a crematorium or a sausage machine?

A sheet of plastic, a chainsaw, and a vat of Dr. Suit-and-Glasses Lee's Original Formula Red Acid™ -"Guaranteed to Eat Through Wood, Flesh or Even Metal!".

So, anyone one bet Wiliam Vaughn shows up next season as the real head of the Covenant? Actually, they might end the finale like that, with JJ biting his own tail and Vaughn getting to say, "Daddy?"