I like many folks getting into this venture keep an eye out on craigs list. After drooling at one of the other posters find this morning, I did my usuall browse, and found this. It needs some mods, but for 40 bucks I couldnt pass it up. The fire box is 1/4 inch steel, and odvioulsy the barrel is a plain 55 gallon drum. I am planning on eventually replacing the drum with an air tank or propane tank. For me this is a good start on my journey. For 40 bucks it's worth it just for the fire box. Question 1. Whoever started this project didnt paint the fire box. I am planning on wire brushing the corrosion off and painting. What type of paint is best? Question 2. the stack (which is too short to see in the picture) is 4 or 5 inch pipe. how long should the stack be for this size smoker? other suggestions? I will have some better pictures soon. This is the picture that was on the add. I put it on a trailer and left it at my father inlaws who has a shop in his garage until I at least get wheels on the thing.