|
You are going to gave to add some custom og:tags to the HTML markup of your page and specify the image that you want to use... Take a look at the example from the Facebook documentation - <html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="https://www.facebook.com/2008/fbml"> <head> <title>The Rock (1996)</title> <meta property="og:title" content="The Rock"/> <meta property="og:type" content="movie"/> <meta property="og:url" content="http://www.imdb.com/title/tt0117500/"/> <meta property="og:image" content="http://ia.media-imdb.com/rock.jpg"/> <meta property="og:site_name" content="IMDb"/> <meta property="fb:admins" content="USER_ID"/> <meta property="og:description" content="A group of U.S. Marines, under command of a renegade general, take over Alcatraz and threaten San Francisco Bay with biological weapons."/> ... </head> ... </html>As you can see the og:image parameter is specified here and that allows Facebook to correctly display the meta data associated with that URL... You might not need all of the og:tags specified here, title,url,image and description should be fine for just a LIKE button. You are already aware of the debugger tool - it will help you debug your LIKE button and og:tags. Make some changes in your HTML markup and each time you'll have to send your URL though the debugger to refresh Facebook's cached version of your URL. A quick Google search gave me this mediawiki extension that looks like it could help you - :OpenGraphMeta OpenGraphMeta provides OpenGraph protocol metadata for articles on the wiki for 3rd parties like Facebook to extract... (责任编辑：) |