Forum:Ads at bottom of Wikia page

Hello my name is Hollyshiftwell1 and I want to put an ad at the bottom of the pages where it says "Around Wikia's network". But i dont know how to do that, so could someone help, please!
 * You can probably do it through CSS, but I feel that'd be against the ToC.
 * If you meet the criteria, you can request a spotlight for your wiki, which is the way to get in there. 18:42, March 7, 2012 (UTC)