Well, it was a specific design choice for psychological reasons:How about placing one of the sidebars on the other side so that the content can be a bit more centered. It's minor but I, personally, am more comfortable with text that's pretty much closer to the center of the page.
http://www.wickedfire.com/newbie-questions/18749-ad-placement-ad-types.html
Basically, I'm trying to put the ads in the "F" and at the bottom of the page.
I could try changing the layout, it's not going to hurt.