One way I like to tweak + personalize my Facebook page is to create photo collages for the cover photo.
I had this one up around Christmas. It matches our Christmas Postcard.
From last year:
Here is how I do it with my iMac:
*This is how I convert these files using an iMac, my guess is this will not work with a PC. Instead of having Microsoft Office, I have the Apple version: Pages. I know there has to be other ways, using file converters, etc. but this is the way I feel the most comfortable making documents into pictures...even though I do have Photoshop and need to learn HOW it works!
Click on this image to open be able to download the file template for you to download and instructions.
And here are a few additional images if you are unsure how to save and convert the file to a JPEG.
Please let me know if you have any questions!