示例页面；http://www.c-art.org.uk/2011/07/01/jenny-abbot/
由于某种原因，gravatar图像覆盖了帖子的特色图像缩略图（100x100）。不知道它是怎么做的！我怎样才能摆脱它？
<meta property="og:title" content="Jenny Abbot" />
<meta property="og:description" content="C-Art — Cumbria Artist Open Studios, Jenny Abbot Artist Index PaintingC-Art"/>
<meta property="og:url" content="http://c-art.modernactivity.co.uk/?p=1254"/>
<meta property="og:image" content="http://www.c-art.org.uk/wp-content/uploads/Summer-at-Sea-Wood-100mm-100x100.jpg"/>
<meta property="og:type" content="article"/>
<meta property="og:site_name" content="C-Art"/>
最好的，dc。
