Purpose
This plugin sets meta-tags in pages which are specifig to Facebook's OpenGraph technology. Using this plugin together with such Social Plugins as Like Button enables you to spread your site's pages around the Facebook network.
Download
Version for Cotonti Siena is available here
Installation
<script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script>
<fb:like href="{PHP.fb_url}" show_faces="true" width="450"></fb:like>
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Install the opengraph...