Thanks! Sorry I got a bit grumpy there.

As it turns out, the extreme firefly problems I've encountered were not related to the lights at all. Here's what Lux produced after five minutes. This is Antonia in her beach volleyball outfit again, with the Poser 8 studio backdrop and two spotlights.

Edit: I've stopped the render after 5 minutes. The dimensions were 963x963, but the image was so noisy that I had to scale it down for posting.

-- I'm not mad at you, just Westphalian.