There are plenty of sites and ebooks offering up suggestions on the best ways to format and place your AdSense for maximum revenue potential. What many AdSense partners have found confusing however, is finding the best way to place Google ad blocks on forums. The AdSense team rides to the rescue today with a post at the AdSense blog that offers up some tips (and even a wireframe) on the best placement of ads on discussion forums.

Among the tips:

Place a leader board immediately after the last post This provides users who make it to the end of a thread with a ‘next step’ when the content ends. If you place it after the footer, though, folks will move to the next thread before they even see the ad!

and...

Opt-in to image ads Supporting image ads increases the pool of ads –particularly cost-per-thousand-impression (CPM) ads – bidding to display on your site. Since forums tend to have lower click-through rates (CTRs) than other types of sites, CPM ads can improve revenue without the need for clicks. Please remember, however, that CPM ads come in both text and image formats.