Last year when the Timeline was released there were a lot of changes to the Facebook page. The main parts were the two column layout, the cover photo, and the Profile Photo. Most posts concentrated on these parts of the page and customizing them.
One thing that is missing is the Tabs and how to customize them. The dimensions for the tab 111 x 74. The first one is always Photos. But the next three you can customize, so you don't have to show just likes, map, and event.
Here are some examples:
The tabs can also be just plain and simple and have a call to action. If you do not have access to photo editing software, you can easily create the below tabs in Paint.