title: Timthumb: Could not find the internal image you specified
body: <p>I am having the following issue with this version of Timthum: 2.8.10 (running on Wordpress installation - server Ubuntu):</p>
  
  <p><strong>- When i call images from the server hosting the website i got this error:</strong></p>
  
  <p>A TimThumb error has occured
  The following error(s) occured:</p>
  
  <pre><code>Could not find the internal image you specified.
  </code></pre>
  
  <p>Query String : src=http://my-host.it/wp-content/files_mf/1346848579prog_no_pic.png
  TimThumb version : 2.8.10</p>
  
  <p>If i copy/paste <a href="http://my-host.it/wp-content/files_mf/1346848579prog_no_pic.png" rel="nofollow">http://my-host.it/wp-content/files_mf/1346848579prog_no_pic.png</a> in the browser i can get the image...</p>
  
  <p><strong>- When i call image from external sites it works fine.</strong>
  I have enabled:</p>
  
  <pre><code>define ('ALLOW_ALL_EXTERNAL_SITES', TRUE);
  </code></pre>
  
  <p>at line 33.</p>