You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allimages>
      <img name="BLK-Sabb-2013crossblkred.jpg" timestamp="2014-05-08T16:50:15Z" url="http://www.thegiant.org/wiki/images/7/70/BLK-Sabb-2013crossblkred.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLK-Sabb-2013crossblkred.jpg" ns="6" title="File:BLK-Sabb-2013crossblkred.jpg" />
      <img name="BLK-Sabb-tour-redblk.jpg" timestamp="2014-05-08T16:50:22Z" url="http://www.thegiant.org/wiki/images/9/9c/BLK-Sabb-tour-redblk.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLK-Sabb-tour-redblk.jpg" ns="6" title="File:BLK-Sabb-tour-redblk.jpg" />
      <img name="BLK-Sabb-tour-silverblk.jpg" timestamp="2014-05-08T16:50:54Z" url="http://www.thegiant.org/wiki/images/8/82/BLK-Sabb-tour-silverblk.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLK-Sabb-tour-silverblk.jpg" ns="6" title="File:BLK-Sabb-tour-silverblk.jpg" />
      <img name="BLK-Sabb2013crosssilverblk.jpg" timestamp="2014-05-08T16:50:46Z" url="http://www.thegiant.org/wiki/images/d/d6/BLK-Sabb2013crosssilverblk.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLK-Sabb2013crosssilverblk.jpg" ns="6" title="File:BLK-Sabb2013crosssilverblk.jpg" />
      <img name="BLKMRKT_Art_Action.jpg" timestamp="2008-03-14T23:20:42Z" url="http://www.thegiant.org/wiki/images/5/58/BLKMRKT_Art_Action.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLKMRKT_Art_Action.jpg" ns="6" title="File:BLKMRKT Art Action.jpg" />
      <img name="BLKMRKT_Dean.jpg" timestamp="2008-03-14T23:08:26Z" url="http://www.thegiant.org/wiki/images/3/3c/BLKMRKT_Dean.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLKMRKT_Dean.jpg" ns="6" title="File:BLKMRKT Dean.jpg" />
      <img name="BLKMRKTbogart.png" timestamp="2007-10-31T01:21:17Z" url="http://www.thegiant.org/wiki/images/5/5a/BLKMRKTbogart.png" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLKMRKTbogart.png" ns="6" title="File:BLKMRKTbogart.png" />
      <img name="BLK_MRKT_athletics.jpg" timestamp="2006-08-29T15:18:25Z" url="http://www.thegiant.org/wiki/images/5/57/BLK_MRKT_athletics.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLK_MRKT_athletics.jpg" ns="6" title="File:BLK MRKT athletics.jpg" />
      <img name="BLK_MRKT_creepy_guy.jpg" timestamp="2006-08-29T15:18:35Z" url="http://www.thegiant.org/wiki/images/b/b0/BLK_MRKT_creepy_guy.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BLK_MRKT_creepy_guy.jpg" ns="6" title="File:BLK MRKT creepy guy.jpg" />
      <img name="BNE-kid-poster.jpg" timestamp="2014-05-08T16:48:26Z" url="http://www.thegiant.org/wiki/images/8/85/BNE-kid-poster.jpg" descriptionurl="http://www.thegiant.org/wiki/index.php/File:BNE-kid-poster.jpg" ns="6" title="File:BNE-kid-poster.jpg" />
    </allimages>
  </query>
  <query-continue>
    <allimages aifrom="Bad-Brains-Punk-Showcase-Rasta.jpg" />
  </query-continue>
</api>