Best smoke in the series
Another smoke on the 2nd half of the feature or night + rim light like Stephan suggested earlier could help, although the background is a bit busy in this one.
Sick, but im not really sure the smoke really adds to the photo. Or any of the day time shots. It might be just me, but as a person looking at the smoke they might get drawn in because it's smoke, but from a photo stand point, I'm not sure I really get it .
I really likes it on the c-rail shot. Somebody else had a cool one some years back with an s. I actually agree on this one, but regardless I can't hate on experimenting and doing something different.