title: getting high resolution photos that were posted on a page wall/feed
body: <p>I'm getting my page wall with the open graph.
  And when someone posted a photo, I get it on the JSON</p>
  
  <pre><code>{
       "id": "27888702146_10150369820322147",
       "from": {
          "name": "brocoli",
          "category": "Record label",
          "id": "27888702146"
       },
       "message": "Vincent Epplay / David Fenech / Jac Berrocal \u00e0 Beaubourg ce soir, 19h, gratos.",
       "picture": "http://photos-f.ak.fbcdn.net/hphotos-ak-snc7/305819_10150369820292147_27888702146_8255527_583491475_s.jpg",
       "link": "https://www.facebook.com/photo.php?fbid=10150369820292147&amp;set=a.386279807146.165840.27888702146&amp;type=1",
       "icon": "http://static.ak.fbcdn.net/rsrc.php/v1/yz/r/StEh3RhPvjk.gif",
       "type": "photo",
       "object_id": "10150369820292147",
       "created_time": "2011-10-16T08:22:21+0000",
       "updated_time": "2011-10-16T08:22:21+0000",
       "likes": {
          "data": [
             {
                "name": "brocoli",
                "category": "Record label",
                "id": "27888702146"
             },
             {
                "name": "Agathe Morier",
                "id": "601668526"
             }
          ],
          "count": 2
       },
       "comments": {
          "count": 0
       },
       "is_published": true
    }
  </code></pre>
  
  <p>The problem is that the picture link is a low resolution copy of the picture.</p>
  
  <p>How can I get the URL of the full picture ?</p>
  
  <p>Thanks!!</p>
  
  <p>Best</p>
  
  <p>Geoffroy</p>