BurnPC.com

This post now has a dedicated page in the BBQ Section of my site: http://www.burnpc.com/barbecue/el-cheapo-brinkman-aka-bullet-smoker-mods/

I have one of the basic bullet smokers (for bbq) that I picked up at Home Depot for around $35 or so. It turns out there is a set of basic mods that can be done.
http://www.eaglequest.com/~bbq/faq2/7.html#7.2
http://www.randyq.addr.com/ecb/ecbmods.html
As I think you may be able to discern, there are people who take their smoked meat very seriously.