tire carrier

ok so like i said earlier i have a 2000 blazer ls 4x4. my spare tire is a donut INSIDE the damn truck! i hate it!! takes up too muck room. anyways i wanna get a swing out tire carrier for the back of my truck and need to know if it possible to install that on my truck and if so how and what do i need to do? i would really like to get that thing outta there but i need to keep a spare. also if i can do this i would a full size spare. i will be getting A/T tires when these street tires are dead (not for another 45,000 miles atleast) but ill probably get them sooner than that. let me know if this mod is possible please?

Well at least my 98 has the tire under the truck, but I noticed today the mount is rusting out so I'd also like to know if this is possible.

are you guys dealing with 4 doors?
i'm in the same boat i need a full size spare and it just won't work under the truck