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The method I made up

The point is to gradually get rid of both addiction and habits! 

Cigarettes cause addiction to nicotine. The more cigarettes you need in the morning, the more addicted you are.
Smoking is also a habbit. It is a great thing to stop work for a short while and devote five minutes to yourself. It may also be related to stress control (an issue I am not addressing here: if you are having serious problems with stress and probably fear of certain situations, don't be afraid to consult a psychoanalyst - that is what I do and it helps a lot).

What is a bad approach?
It is wrong to feel quilty and to concentrate on the bad parts of smoking. Don't do that.
But also, do not drink any coffee instead of your cigarette. What helps is to eat three proper meals a day and to drink a glass of water whenever you feel like smoking non-scheduled.

How to quit (within, let's say, 6 months):
First, simply count up how many cigarettes you smoke a day - let's say it is a packet, that is 20 pieces.
You will have to do the following:
 

Time	Amount	Daily schedule
First month - set a "real" starting date, like the first day of the next month, so that you will less be tempted to postpone.	2 packets in 3 days - a 33% decrease from your original level.	Smoke one cigarette hourly - since you probably sleep for 8 hours, that is about 15 pieces, around the desired amount. It is not too tough, you will see!
Second month	1 packet in 2 days - a 50% decrease from the starting point but only a 25% from the first month.	Smoke a cigarette in two hours. It is going to be as easy as it was the previous month.
Third month	1 packet in three days	7 cigarettes a day - early morning, morning, lunch, afternoon, evening, later at night.
Fourth month	1 packet in five days	Four cigarettes a day - morning, lunch, afternoon, evening.
Fifth month	1 packet in a week	Three cigarettes daily - early morning, lunch, evening.
Sixth month	2 pieces a day, but you will probably be able to stop now.	Lunch, evening.

Well, this is it. Simple, huh? There are, of course, drawbacks as well: you will go partying with your friends, who will smoke... You will need to keep doing this program for a long time... and so on...