Forum:How to change my wikis logo?

I'm an admin and the creator of the Zombie Roleplay Wiki and am wondering, how do I change the wikis logo? 01:07, July 11, 2010 (UTC)
 * Upload an image to File:Wiki.png. Muzzy34 Talk 01:44, July 11, 2010 (UTC)
 * I have it, thank you. Doltensig.jpeg 02:14, July 11, 2010 (UTC)
 * Try to make sure your logo image is 216px wide by 155px tall. -- Fandyllic  (talk &middot; contr) 9:37 AM PST 11 Jul 2010