Yes I did have it under the heading 'Our Sponsors' in my directory which was a silly thing to do really. I had originally got rid of the 'Our Sponsors' thing but whenever I change any of the code on my directory it stops working so I had to put it back.
From the message Google sent me I was given the impression that invalid clicks were to blame and surely if the 'Our Sponsors' thing was the issue then they should have warned me before booting me out. I have been receiving more hits each month (mainly from Google) which would account for increased clicks but that would be quite a gradual thing.
I agree that Google should be vigilant of invalid use of its program for the sake of Adwords users but I think they go too far and the overall program is managed very poorly.
My appeal was rejected by Google so there is very little hope now but I will try and find another way to contest it
