Originally Posted by BigCiX
I don't have a smoker. Just a Kenmore gas grill with a searing pad.
I made one Alton Brown style for $35. You need a big terra cotta flower pot (REAL BIG) and the water catcher that goes under it, an electric burner, a round grill that will fit part way down the pot and a metal pie pan.
It seems all of the videos of the episode were pulled from youtube, but there are designs around the web for building one and improving on his design.