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>
    <allimages>
      <img name="Bible_Adventures.jpg" timestamp="2007-03-22T18:06:51Z" url="http://armyofgnomes.com/wiki2/images/b/b7/Bible_Adventures.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:Bible_Adventures.jpg" ns="6" title="File:Bible Adventures.jpg" />
      <img name="Bibleadventures.gif" timestamp="2007-03-22T18:10:51Z" url="http://armyofgnomes.com/wiki2/images/2/2f/Bibleadventures.gif" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:Bibleadventures.gif" ns="6" title="File:Bibleadventures.gif" />
      <img name="Bobatea.jpg" timestamp="2007-03-23T00:27:23Z" url="http://armyofgnomes.com/wiki2/images/a/aa/Bobatea.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:Bobatea.jpg" ns="6" title="File:Bobatea.jpg" />
      <img name="Bowser.jpg" timestamp="2006-06-08T02:48:06Z" url="http://armyofgnomes.com/wiki2/images/6/62/Bowser.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:Bowser.jpg" ns="6" title="File:Bowser.jpg" />
      <img name="Butterfly_error.png" timestamp="2006-04-22T01:12:26Z" url="http://armyofgnomes.com/wiki2/images/2/2f/Butterfly_error.png" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:Butterfly_error.png" ns="6" title="File:Butterfly error.png" />
      <img name="CAV9XZMU.jpg" timestamp="2006-04-20T22:57:38Z" url="http://armyofgnomes.com/wiki2/images/4/45/CAV9XZMU.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:CAV9XZMU.jpg" ns="6" title="File:CAV9XZMU.jpg" />
      <img name="CMMRH1.jpg" timestamp="2006-04-25T17:55:29Z" url="http://armyofgnomes.com/wiki2/images/3/38/CMMRH1.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:CMMRH1.jpg" ns="6" title="File:CMMRH1.jpg" />
      <img name="Haas_2.jpg" timestamp="2006-04-21T03:31:14Z" url="http://armyofgnomes.com/wiki2/images/f/f8/Haas_2.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:Haas_2.jpg" ns="6" title="File:Haas 2.jpg" />
      <img name="John_Terror.JPG" timestamp="2006-04-19T04:32:36Z" url="http://armyofgnomes.com/wiki2/images/1/1d/John_Terror.JPG" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:John_Terror.JPG" ns="6" title="File:John Terror.JPG" />
      <img name="John_Vines2.jpg" timestamp="2006-04-25T17:00:27Z" url="http://armyofgnomes.com/wiki2/images/d/d5/John_Vines2.jpg" descriptionurl="http://armyofgnomes.com/wiki2/index.php/File:John_Vines2.jpg" ns="6" title="File:John Vines2.jpg" />
    </allimages>
  </query>
  <query-continue>
    <allimages aicontinue="KK_pirate.jpg" />
  </query-continue>
</api>