My take on Smoke.

[snitcythedog]

I visit quite a few forums, and the question of smoke has come up more than once.  Here is my take on it.  Use wool. 

Toot is on my blog.
http://snitchythedog.blogspot.com/
Hope it helps.
Snitchy sends.

[Mindenbrush]

Good idea - method noted for future use.

[joroas]

I use that nice stuff that Battlefront make for FOW.

[snitcythedog]

I use that nice stuff that Battlefront make for FOW.

This is the same thing only home made.  I did not play with the colors so it came up looking like fire instead of smoke. 
Snitchy sends

[carlos marighela]

Good suggestion. Coloured wool would be handy for smoke grenades. Thanks for sharing.