Many thanks for your advice. And yes i will make new campagnes instead of working in the old (good working ones)
One question sunny; in
http://EarnWithGoogle.com/adwords you are speaking about DYNAMIC KEYWORDS. Do I unterstand correct that if i have keywords A,B,C,D,E and F and user search for C and the ad is showing in google, it will show the A if I put {KeyWord}