You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages aicontinue="Complexskin_diag.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="Background.png" timestamp="2008-08-27T12:51:57Z" url="http://wiki.shoutcast.com/images/2/26/Background.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Background.png" ns="6" title="File:Background.png" />
      <img name="Bal.gif" timestamp="2008-08-26T15:27:33Z" url="http://wiki.shoutcast.com/images/6/66/Bal.gif" descriptionurl="http://wiki.shoutcast.com/wiki/File:Bal.gif" ns="6" title="File:Bal.gif" />
      <img name="Bento_Browser_Screenshot.png" timestamp="2009-09-03T18:59:45Z" url="http://wiki.shoutcast.com/images/b/b5/Bento_Browser_Screenshot.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Bento_Browser_Screenshot.png" ns="6" title="File:Bento Browser Screenshot.png" />
      <img name="Blue-circle.png" timestamp="2008-08-27T12:52:18Z" url="http://wiki.shoutcast.com/images/f/f3/Blue-circle.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Blue-circle.png" ns="6" title="File:Blue-circle.png" />
      <img name="Blue-vis-layer.png" timestamp="2008-08-26T21:03:14Z" url="http://wiki.shoutcast.com/images/7/76/Blue-vis-layer.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Blue-vis-layer.png" ns="6" title="File:Blue-vis-layer.png" />
      <img name="Browser_test.png" timestamp="2009-09-29T19:17:56Z" url="http://wiki.shoutcast.com/images/9/95/Browser_test.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Browser_test.png" ns="6" title="File:Browser test.png" />
      <img name="Cbuttons.gif" timestamp="2008-08-26T15:21:19Z" url="http://wiki.shoutcast.com/images/6/64/Cbuttons.gif" descriptionurl="http://wiki.shoutcast.com/wiki/File:Cbuttons.gif" ns="6" title="File:Cbuttons.gif" />
      <img name="Completed.png" timestamp="2011-07-17T21:54:41Z" url="http://wiki.shoutcast.com/images/f/f5/Completed.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Completed.png" ns="6" title="File:Completed.png" />
      <img name="Complex_playerxml_1.png" timestamp="2008-08-27T12:49:34Z" url="http://wiki.shoutcast.com/images/8/84/Complex_playerxml_1.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Complex_playerxml_1.png" ns="6" title="File:Complex playerxml 1.png" />
      <img name="Complex_playerxml_2.png" timestamp="2008-08-27T12:55:21Z" url="http://wiki.shoutcast.com/images/e/e1/Complex_playerxml_2.png" descriptionurl="http://wiki.shoutcast.com/wiki/File:Complex_playerxml_2.png" ns="6" title="File:Complex playerxml 2.png" />
    </allimages>
  </query>
</api>