I expanded the Open Graph support in the newest release of easy Like and Share 2.95 - It's already published on the site here:

www.free-extensions.com/joomla-extension...-like-and-share.html

Now you can set your tags from the plugin with Global Tags, Auto Tagging Feature ,Explicit Tags or Embed Tags.

Tags Supported in Plugin and Module:

Required Tags:

og:title - The title of your object as it should appear within the graph, e.g., "The Rock".
og:type - The type of your object, e.g., "video.movie". Depending on the type you specify, other properties may also be required.
og:image - An image URL which should represent your object within the graph.
og:url - The canonical URL of your object that will be used as its permanent ID in the graph, e.g., "hxxp://wxw.imdb.com/title/tt0117500/".
og:description - A one to two sentence description of your object.


Optional Tags:

og:audio - A URL to an audio file to accompany this object.
og:determiner - The word that appears before this object's title in a sentence. An enum of (a, an, the, "", auto). If auto is chosen, the consumer of your data should chose between "a" or "an". Default is "" (blank).
og:locale - The locale these tags are marked up in. Of the format language_TERRITORY. Default is en_US.
og:site_name - If your object is part of a larger web site, the name which should be displayed for the overall site. e.g., "IMDb".
og:video - A URL to a video file that complements this object.


Extra Tags for Image:

og:image:secure_url - An alternate url to use if the webpage requires HTTPS.
og:image:type - A MIME type for this image.
og:image:width - The number of pixels wide.
og:image:height - The number of pixels high.


Extra Tags for Video:

og:video:secure_url" content="hxxps://secure.example.com/movie.swf" />
og:video:type" content="application/x-shockwave-flash" />
og:video:width" content="400" />
og:video:height" content="300" />


Extra Tags for Audio:

og:audio:secure_url" content="hxxps://secure.example.com/sound.mp3" />
og:audio:type" content="audio/mpeg" />


That's all we support for now.