Thanks for the advice so far. This is my first smoker so I don't know what the inside should look like on a new or well maintained one. I'll try to not scrape through to bare metal.
The first pic is the only one of the inside that i have right now. I'll take some more tomorrow:
Under the grill:
I've got it standing up straight now, although I did appreciate the character of its "lean." I had to tighten a few bolts on the legs.
I am currently removing rust and repainting with high heat 1200 degree Rustoleum paint, and I plan on hiring a welder to reattach the firebox with a good seal.
Any other suggestions?