Every page on Facebook should be on the Timeline feature by now. Here are dimensions for the images required to update your page:
-
Cover photo: 851 x 315 pix
-
Profile picture: 180 x 180 pix
-
Thumbnail image for apps: 111 x 74 pix
-
Highlighted & milestone images: 843 x 403 pix
-
Images within wall posts display as 404 x 404 pix
