I tried the nicotine patch for a while, it wasn't so much for the craving of smoking but more the burst of energy I would feel from smoking a cigarette. Patches are expensive to this really wasn't worth it, if you are highly addicted to the nicotine I have had friends that had a lot of success with the patch.
Once thing to take note of, do not wear the patch before bed time. If you do you will have some strange ass dreams that you won't forget any time soon. My mom tried it once and didn't believe me, the next morning she was like OMG!