Someone posted on DPC that smoke pix were easy. They lied. LOL. I'm not that happy with this one (although I should be comparing it to the original), but it's smelly enough down here by now (I used incense) and I'll just try again another day.
On the positive side, if I was ever considering going back to shooting JPG instead of RAW, it's not going to happen. RAW adjustment is what at least somewhat salvaged the shot. Got rid of some of the grain and adjusted brightness in RAW. Split channels, ended up with blue (traditionally most noisy, but not much worse in this case, and I wasn't going to start over), Neatimage, curves, levels, invert, crop. Voila.