Which is the most profitable type of ad for you?

Rectangles and skyscrapers do best for me, the bigger the better. Whether blended or framed in some sort of imagery depends on the location of the ad...

 

120x600 Text Ads and make them match your site color

 

Text Ad brings me the most profit, image ad doesn't works.
I placed only one square text content unit.

 

Text ad. Just one square per page and a link unit at the bottom.