The FDA is a great resource with helpful information as to why it is so difficult to stop smoking.
But wait! If you have "failed" (see, I have a great sense of humor) do not give up. Try it again!
It took me several attempts to stop smoking. I quit cold turkey in 2001. It was one of the smartest and surprisingly easiest things I have ever done.
This website also lists nicotine replacement products.
This is how I would tackle it:
Set the date.
Mark it on your calander.
Tell your friends, family and co-workers. Ask for their support ( not ridicule or harassment to make your feel shameful).
Speak with your health care professional about your options to help stop smoking.
Find a local or internet(Snot Sexy...Stop Smoking) site support group/forum.
When the urge hits to smoke...get out and get some fresh air, play with kids, walk the family pet, wait a few minutes...the urge may pass.
One of my saving graces when I stopped smoking was picking up an old hobby that I had put aside...sewing. Okay, so if sewing does not work for you: ohter suggestions would include; needlepoint, painting, knitting, word puzzles..anything to keep your hands and mind busy.
FDA website that I found informative:
http://www.fda.gov/womens/medicinecharts/smoking.html