Well this is no different a battle. This habit is doing as much if not more damage as any other enemy in your life and you have got to defeat it. Don't forget to print this sheet out and read it often, and do not quit. If you go back to smoking, quit again. You can do it.
Puzzles are great.
You'll get involved and forget about your need to have a cigerette in your mouth. Other great hobbies might be learning magic tricks, juggling, or writing. You'll find books on these activities at the library, a smoke free public place. A Better Life Company is a leading provider of Quit Smoking support and resources. Link to pics of healthy and damaged lungs.