HOW TO: Share Facebook Pictures and Videos on your Facebook Fanpage?
Just follow below steps:
1. Press the Share button on the picture or Video.
2. At the top of the popup window there is a Share Drop down.
3. It has many options like your timeline, friends timeline, group or your Fanpage.
4. Select Fanpage and choose the Fanpage if you have multiple ones.
Now share all the Pictures and Videos on your Fanpage and make your Fans really happy.