teste.js

  "user": {
    "first_name": "Guilherme",
    "id": 4,
    "login": "guiocavalcanti",
    "last_name": "Cavalcanti",
    "thumbnails": [
    {
      "size": "160x160",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_160/Guilherme3x4_copy.jpg?1363888724"
    },
    {
      "size": "96x96",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_96/Guilherme3x4_copy.jpg?1363888724"
    },
    {
      "size": "32x32",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_32/Guilherme3x4_copy.jpg?1363888724"
    },
    {
      "size": "24x24",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_24/Guilherme3x4_copy.jpg?1363888724"
    },
    {
      "size": "48x48",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_48/Guilherme3x4_copy.jpg?1363888724"
    },
    {
      "size": "110x110",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_110/Guilherme3x4_copy.jpg?1363888724"
    },
    {
      "size": "90x90",
      "href": "http://s3.amazonaws.com/redu_uploads/users/avatars/4/thumb_90/Guilherme3x4_copy.jpg?1363888724"
    }
    ]
  }