Great effect, Richard…I’ll bet that hot body raised the temp of the water!https://images14.sexpal.eu/v1688/photos/5/4182085/16637631/r2-vi.gif
Followers of our thread will notice I've been putting in a bit of time with a slideshow programme / gif maker and being surprised with what it can come up with.
It's not one single bit of gear but two or three, and it took a little while to work out how to combine them all for the different effects. There's probably something out there that does it all but..........
R