I think that if the animal is gonna smell any scent that is on you wether it be smoke, cooking, soap, or whatever, then it' s gonna be able to smell you too. Actually, smoke might cover your scent a little. Now if your using one of them suits which holds your scent, then I think it' s a good idea not to get any scent on them. But I never use them. [:@]Maybe I should tho, the stupid wind is allways swirling down here, but anyway, if the animal is gonna smell you then it' s gonna smell you. If it smells the smoke on your clotches, then your scent should be with it. The smoke might mask it a little but they should still smell you.

As for smoke alone, like if you wear a scent lock suit around a fire, then I don' t think it would matter much. Smoke is a natural smell anyway. But it obviously is not a good idea if your trying to go completely scentless.