     image.alt = ''
     image.image_data =
       bounds : bounds
+      loaded : false
       cache_key : bounds.join(':')
 
+    @mget('image_source').add_image(image_data)
     image.src = @mget('image_source').get_image_url(bounds[0], bounds[1], bounds[2], bounds[3], Math.ceil(@map_frame.get('height')), Math.ceil(@map_frame.get('width')))
     return image
 

  _on_tile_load: (e) =>
    image_data = e.target.image_data
    image_data.img = e.target
    @mget('image_source').add_image(image_data)
    @lastImage = image_data


      clearTimeout(@render_timer)

    image_obj = @mget('image_source').images[extent.join(':')]
    if image_obj? and image_obj.image_data.loaded
      @_draw_image(extent.join(':'))
      return

    if @lastImage?
      @_draw_image(@lastImage.cache_key)

    else
      if @lastImage?
        @_draw_image(@lastImage.cache_key)
