I had a psychology professor that once gave our class the "best" way to quite smoking (this was based on human behavior research and clinical trials, but is probably around 10 years out of date, so...)
His suggested method:
(1) Change brands to something you really, really don't like. You still get the nicotine that is so addictive, but you don't enjoy the activity nearly as much anymore.
(2) Start slowly cutting back, over the span of four to six weeks, until you are smoking about 1/4 of what you were. This will be aided by (1) since you don't really enjoy the taste, but will still be difficult to cut back that much.
(3) The difficult part. At the end of the four to six weeks (whenever you reach the 1/4 point) chain smoke until you are sick. Literally. Suck them down as fast as you can stand, pack after pack, until your body says "enough" and you puke out a kidney or two.
(4) Never worry about it again. In my professor's words, "you're cured."
Something about the OD will teach your body that cigarette=bad, and it's powerful enough to overcome the addiction for most people. I don't know, never smoked, so I've never tried it obviously. I know two people who used that method after trying to quit several times, trying cold turkey, cutting back, patches, pretty much everything. One guy even substituted blow-pops (suckers) for cigarettes... he ate a bag a day. Nothing worked but the above. It also worked for my dad, unintentionally, as he wasn't trying to quit. When he was young and had been smoking for a few years, a vending machine spit out over a dozen packs of cigarettes instead of one. He and a friend of his went into the woods and smoked every single cigarette, back to back, no breaks. He's never touched one since, or even had the urge to.
Who knows. Probably a bunch of crock. But, I'm sure you and most everyone else you know that has partied hard enough has a particular kind of liquor that they won't touch ever again. For me it's peppermint schnapps.

I'll drink most anything you put in front of me, straight preferrably, but peppermint schnapps literally makes me sick to my stomach... just the smell of it. I'm not even that fond of peppermint in general anymore. For my friend it's tequila. After a night spent wrapped around a toilet bowl, he can barely stand to see a bottle of it. The smell makes him gag now.
If you can create a reaction anything like that strong to cigarettes, it might be a powerful aid to quitting.