We have grouped all of the available ad sizes into 3 groups based on their size and shape: Banners, Inline Ads and Skyscraper. To place an ad on your site select a type from the menu on the top.
Note: if you wish to use more than one template (for example, Banner AND Skyscraper), you should create a new ad by clicking "New BidVertiser" in the BidVertiser Center. This will give you maximum control over your ads.