Thank you for the video, I hadn't seen that one yet. Very tastefully done might I say. I was just chatting with a buddy from across the country lastnight, who is in the lifestyle, and brought it up to him. He said they had a very similar experience before and had a good way of helping. He told the other couple that he and his wife both found a shower to be very hot foreplay and made them very excited. So they got in the shower two by two and.. well, I'm not writing a novel here, you know what people do in a shower before intercourse. And that not only helped the odor, but it really did get everyone excited.
So, I guess I can suggest that we have a bit of a shower fetish, which probably is valid, as the lather and intimate contact of bathing with someone can be very sensual.
Now, unless I get any other suggestions, I'll just hope that we can pull it off without them perceiving it as, "You stink, let's wash you off before I touch you," or something to that effect.