If you have trouble remembering all of the dimensions of Facebook Images check out this resource! It’s a reference guide of important Facebook Timeline Dimensions including cover photo, profile pic, app icons, shared photos, hightlighted images, etc. A very easy-to-follow and visual guide for Facebook users.

It’s provided by ShortStack, here’s the link http://www.shortstack.com/2012/12/reference-of-important-facebook-timeline-dimensions/