Can Wordbooker obtain a thumbnail for the Facebook post from a custom field? Every one of my posts has a custom field with the URL of a 128×128 pixel thumbnail attached. I would like to include this in my automatic Facebook updates along with the link attachment.
Is there a way to do this, whether from supplying a custom field key somewhere or by including the URL in my page header with the tag Facebook and Digg suggest adding:
<link rel="image_src" href="thumbnail_image.jpg" / >
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