The highly porny On Location in Egypt by dessert_first
This is a fucking riot. It's amazing, the kind of twisted genius writers can pull off if they just saunter confidently across the tightrope without looking down. Hee. This needed more ending though. More story, more ending. Just, you know, more. A bit of an abrupt stop--bang, car running out of gas, instead of a lovely coast into the sunset.