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="Basic_press_fit_hexayurt_concept_v1.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="BLOMin.pdf" timestamp="2012-03-12T18:44:13Z" url="http://wiki.fablab.is/images/9/96/BLOMin.pdf" descriptionurl="http://wiki.fablab.is/wiki/File:BLOMin.pdf" ns="6" title="File:BLOMin.pdf" />
      <img name="Baby_chair1.JPG" timestamp="2009-11-25T13:37:41Z" url="http://wiki.fablab.is/images/8/84/Baby_chair1.JPG" descriptionurl="http://wiki.fablab.is/wiki/File:Baby_chair1.JPG" ns="6" title="File:Baby chair1.JPG" />
      <img name="Baby_chair2_600.JPG" timestamp="2009-11-25T13:38:04Z" url="http://wiki.fablab.is/images/8/8e/Baby_chair2_600.JPG" descriptionurl="http://wiki.fablab.is/wiki/File:Baby_chair2_600.JPG" ns="6" title="File:Baby chair2 600.JPG" />
      <img name="Baby_chair_creation1_600.JPG" timestamp="2009-11-25T13:39:09Z" url="http://wiki.fablab.is/images/2/2e/Baby_chair_creation1_600.JPG" descriptionurl="http://wiki.fablab.is/wiki/File:Baby_chair_creation1_600.JPG" ns="6" title="File:Baby chair creation1 600.JPG" />
      <img name="Baby_chair_creation2_600.JPG" timestamp="2009-11-25T13:40:58Z" url="http://wiki.fablab.is/images/6/6b/Baby_chair_creation2_600.JPG" descriptionurl="http://wiki.fablab.is/wiki/File:Baby_chair_creation2_600.JPG" ns="6" title="File:Baby chair creation2 600.JPG" />
      <img name="Babúskur_(640x480).jpg" timestamp="2011-11-29T17:03:51Z" url="http://wiki.fablab.is/images/8/88/Bab%C3%BAskur_%28640x480%29.jpg" descriptionurl="http://wiki.fablab.is/wiki/File:Bab%C3%BAskur_(640x480).jpg" ns="6" title="File:Babúskur (640x480).jpg" />
      <img name="Back_of_Circuit_Board.JPG" timestamp="2011-01-14T20:05:47Z" url="http://wiki.fablab.is/images/0/0a/Back_of_Circuit_Board.JPG" descriptionurl="http://wiki.fablab.is/wiki/File:Back_of_Circuit_Board.JPG" ns="6" title="File:Back of Circuit Board.JPG" />
      <img name="Balsfjorden_&amp;_Lyngsalpene_summits.jpg" timestamp="2010-09-07T21:29:44Z" url="http://wiki.fablab.is/images/c/c6/Balsfjorden_%26_Lyngsalpene_summits.jpg" descriptionurl="http://wiki.fablab.is/wiki/File:Balsfjorden_%26_Lyngsalpene_summits.jpg" ns="6" title="File:Balsfjorden &amp; Lyngsalpene summits.jpg" />
      <img name="Bande_logos_régionaux_fds_2013.jpg" timestamp="2013-09-02T15:45:07Z" url="http://wiki.fablab.is/images/5/54/Bande_logos_r%C3%A9gionaux_fds_2013.jpg" descriptionurl="http://wiki.fablab.is/wiki/File:Bande_logos_r%C3%A9gionaux_fds_2013.jpg" ns="6" title="File:Bande logos régionaux fds 2013.jpg" />
      <img name="Barustigur1.png" timestamp="2009-09-30T12:25:02Z" url="http://wiki.fablab.is/images/b/b8/Barustigur1.png" descriptionurl="http://wiki.fablab.is/wiki/File:Barustigur1.png" ns="6" title="File:Barustigur1.png" />
    </allimages>
  </query>
</api>