I gave up 6 years ago, hubby and I were 40 a day people, we gave up together,
The best tip I can give you is what we did, when we got in from work we showered straight away, then got undressed so if we really got the urge it was too much troiuble to go get dressed, go up the shop buy ciggies, go back get undressed again etc.
Put the money you are not spending one one side (or a certain amount even if it is only £2, buy yourself a treat at the end of the week with what you have saved.
If you do give in and have one, dont think thats it and carry on smoking, just think oif it as a blip and go back to none.
If life is what you make it, I must have been in a strange mood when I made mine