Well I am not there yet with my content ad.
First under network it lised some 6 sites that the ads were appearing on, none of them were at all relevant so I excluded them.
But now it is still exposing the ad a few thousand times but not showing me on which websites. And still no clicks (not true, there was one!) but it is pretty ridiculous. We used to have quite a lot of clicks from adwords content before but for some reason I have killed it off!.