hello folks , i run a niche travel insurance site http://www.travelresult.com and today when i checked my site , all the ads shown were only and only adsense PSA , i was reading what other thread on this were discussing lately and yes i use proper keywords , title and meta tag for it content is unique copyscape passed site is about 6 months old ,has enough content for displaying proper adsense ads , but i dont know what adsense didnt like in my site . i dont want to show alternate ads . what can i do to fix this problem thnks for the help