if you didn't burn the smoke biscuit in public area then should be fine..

I use white smoke most of time and add filter on a flash to create different color~

http://unclepika26.deviantart.com/art/Sia2260-584301571

or you may visit my Deviantart for more~

http://unclepika26.deviantart.com/

smoke for nice shoot very nice de~     

can buy from Taobao, but due to it sensitive items, it take longer transit time and much expensive..

I bought 1kg around 12pieces of "Smoke Biscuits" around RM 80-100, depends on your middle man.

sell means the "Smoke Biscuits"? XD