Board Thread:Support Requests - Designing Your Wikia/@comment-26186770-20150309210859/@comment-25980608-20150309212855

RainingPain17 is right except the link has to be to the site you want to change. If the website you want to change the background of is, for example, http://discordia.wikia.com, you would go to http://discordia.wikia.com/wiki/Special:ThemeDesigner :)