User blog comment:BertH/Layout and navigation updates coming October 3/@comment-1878897-20120927160821/@comment-3444778-20120927161538

.wikia-ad, .SelfServeUrl { display: none; }

That should take care of it, but make sure that that ONLY goes on your personal CSS page, otherwise you would be violating the Terms of Use. All ads must be visible by default on pageload if not already hidden by personal codes.