Board Thread:Support Requests - Getting Technical/@comment-1504072-20130103191808/@comment-957747-20130103211652

Certain advertisers use certain sizes and the content of these advertisements can vary from wiki to wiki. Unfortunately, we can't restrict the sizes of the ads you get on your wiki because they are polled randomly from a list of advertisements. So the best coarse of action is to make sure that area is treated as if it could be seen due to an advertisement.

Another solution, is to color the background of the ads area with a solid color using:

This allows you to keep the same background and have the ad space match the background color.