From my onw (big) experience with cigarette smoke, it is very realistic.
But wait... let me burn one... hmmmm...
Seems that the real one is a bit more chaotic, but stays "straight"
during a while, before the turbulence starts. Anyhow, it's definitely a
very good simulation.
--
Jaime Vives Piqueres
La Persistencia de la Ignorancia
http://www.ignorancia.org
