If you are not on Pinterest, you should be. If you are on Pinterest, you should have it as a tab on your Facebook page.
All studies show that users LOVE images so offer your fans more of what they love, PICTURES. Pinterest is a great way to aggregate photos related to a given topic from around the web. You can use your Facebook page to drive people to your Pinterest and vice versa.
There are three free and relatively easy options for adding a Pinterst tab to your Facebook: via iFrame, via Facebook developer apps, and via Woobox. Review the options and choose the one that meets your level of technical savvy.