Oh yeah, I think I watched this one not long ago.
The best part of it was actually the insanely lame "narrative" between the humping.

No, I don't usually watch porn with the ironic distance some of the self-proclaimed cineasts do. But it sure was funny.

@ #8:
If you receive rude customer service at a self-serve, you should complain to your parents for not raising you properly.

The on-campus cafeterias here (Norwegian university) have a similar honor system for coffee; put the money in a bowl (and take change if you need), and help yourself to the coffee. Works wonders for the lines, at least.