HELP - Nested JSON

[Duncan]

How can I access the attribute image->url to use in a listview on Mobile device template

[
  {
    "released": "2007-06-29",
    "posters": [
      {
        "image": {
          "url": "http://cf2.imgobject.com/t/p/w92/gMg48r3zMz6HMez4ksNEeOcrVV1.jpg",
          "id": "4ea680f32c058837cb00c499"
        }
      },
      {
        "image": {
          "url": "http://cf2.imgobject.com/t/p/w154/gMg48r3zMz6HMez4ksNEeOcrVV1.jpg",
          "id": "4ea680f32c058837cb00c499"
        }
      },
      {
        "image": {
          "url": "http://cf2.imgobject.com/t/p/w185/gMg48r3zMz6HMez4ksNEeOcrVV1.jpg",
          "id": "4ea680f32c058837cb00c499"
        }
      },
      {
        "image": {
          "url": "http://cf2.imgobject.com/t/p/w342/gMg48r3zMz6HMez4ksNEeOcrVV1.jpg",
          "id": "4ea680f32c058837cb00c499"
        }
      },
      {
        "image": {
          "url": "http://cf2.imgobject.com/t/p/w500/gMg48r3zMz6HMez4ksNEeOcrVV1.jpg",
          "id": "4ea680f32c058837cb00c499"
        }
      },
      {
        "image": {
          "url": "http://cf2.imgobject.com/t/p/original/gMg48r3zMz6HMez4ksNEeOcrVV1.jpg",
          "id": "4ea680f32c058837cb00c499"
        }
      }
    ],
    "version": 225
  }
]