I used to smoke mullet when I lived in Florida. (different kind of smoker tho) but I agree...I never put anything but salt, pepper and oil on the fish...used a lighter flavored wood like alder. I'd just leave it on for maybe an hour. Mullet are relatively small and thin fleshed so just check it and experiment! The beauty is they are inexpensive as well. I always made smoked mullet dip with them. (you can get it at almost any seafood resturaunt in Florida) terrific on crackers with a beer!! Just a basic sour cream, cream cheese, mayo, green onion, salt and pepper kind of dip. Fabulous with crabs too (if you have the constitution to pick out the crab meat!) I never did! I bought it!! BUT...just go do it!!!