WordPress version: 3.5
WordPress SEO version: 1.3.3
Facebook plugin: 1.1.8
Running both the WordPress SEO + Facebook plugin works fine except one thing, og:image is omitted. All other OG appear properly.
With Facebook pluging + WordPress SEO the Facebook debugger spits this
Open Graph Warnings That Should Be Fixed
Inferred Property: The 'og:image' property should be explicitly provided, even if a value can be inferred from other tags.
Disabling the Facebook plugin resolves the issue but that's not the best solution :) Facebook itself identifies the image with OG data even with Facebook plugin + WordPress SEO.