title: How does MediaWiki calculate the file path to an image?
body: <p>I'm just installing MediaWiki (loving it). I'm lookin at <a href="http://www.mediawiki.org/wiki/Help:Images" rel="noreferrer">this</a> for adding images. I can se the logic of </p>
  
  <blockquote>
    <p>[[File:MediaWiki:Image sample|50px]]</p>
  </blockquote>
  
  <p>but where so I set the filepath for "File" (nothing obvious in LocalSettings.php) ... or is there some other logic at work? </p>
  
  <p>I'd appreciate any help
  Thanks</p>