Here's a BTS of Vivienne Laroche in Lusty Leg 1
It's mostly talking though, and the sex part is only like 20 seconds long but i thought it was pretty hot. It would have been nice if it was a lot longer, but ehh. If you dont want to watch the interview then fast forward to the 2:00 mark and just wait another 20-30 more seconds for the part to start.
http://www.toniribas.com/posts/view/18/69