Because imgur.com returns an http status code of 200 for that image, there's really no way for us to detect when an image is no longer available.

[SvenW's][1] action to edit the [offending community ad][2] was the proper one until its author can upload a new image.


  [1]: https://meta.serverfault.com/users/8897/svenw
  [2]: https://meta.serverfault.com/a/3063/3