Here are some picture of the mods I did to my smoker. I basically followed the list from this post
http://www.barbecuebible.com/board/view ... highlight=
Overall I like the modifications. The labor to build wasn't that bad. I would recommend the modifications to anyone looking to change things up with their smoker and have a few hours of spare time.
The smoker now
the upgraded firebox
The heat deflector from the firebox
Cover from old smokestack