When I copy/paste a link to a Juicebox gallery in a Facebook post - say your demo gallery http://www.juicebox.net/demos/pro/full/ - there is no preview image showing up. Just the text:

Can you add support for Facebook Open Graph "og:image" property in an HTML meta tag, and define an image - say the first in the gallery - for this property? More at https://developers.facebook.com/docs/op … properties