The following is a smoke tutorial posted by the able hobbyist Eisenhans over on the Ninth Age forum. Of interest to Salamanders burping, mayhap?
Hey this was really good! I found the video he was talking about too from Vince Venturella about making smoke. This one uses green flock painted black: I also really like the idea of making smoking vehicle markers, I have this one logged just in case I decide to do it someday:. This one doesn't use flock but actually uses stretched-out cotton balls: