Facebook multiple og:image tags - Which is Default?

Question

My web site specifies multiple og:image tags, and I\'d like to control which one is the default. Does it have something to do with the order in which they\'re specified?

Answer 1

From the Open Graph Protocol:

Arrays

If a tag can have multiple values, just put multiple versions of the same tag on your page. The first tag (from top to bottom) is given preference during conflicts.

When I test this in the Facebook Sharing Debugger, I only see the first image previewed. But when I begin a share of my URL on Facebook itself, I see the first image previewed along with the left/right buttons for choosing the second image, as below: