Please review my placement of my google ads on my Stock Market Forum Please view the main home, sub-forum, and a thread because the ad placement changes. Also, Stock Market Advice is hosting a $500 Twitter Contest. All of the info regarding the contest can be found here.
Beautiful is a word that better describe your ads placement and colors too. Moreover, I love the one on "Forum" at the almost top right that you have the option to keep it or remove it good work.
Leaderboard banners tend to perform worse then large rectangles. Try to use a large rectangle as your second post in a thread. That should increase your CTR quite a bit.