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="Donate.gif" />
  </query-continue>
  <query>
    <allimages>
      <img name="Bailouts.jpg" timestamp="2011-11-15T02:24:45Z" url="http://wiki.gifteconomy.org/images/d/d6/Bailouts.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Bailouts.jpg" ns="6" title="File:Bailouts.jpg" />
      <img name="Bankers.jpg" timestamp="2012-09-20T04:57:10Z" url="http://wiki.gifteconomy.org/images/5/5b/Bankers.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Bankers.jpg" ns="6" title="File:Bankers.jpg" />
      <img name="Barn_raising_depiction.jpg" timestamp="2011-03-05T15:15:36Z" url="http://wiki.gifteconomy.org/images/e/e0/Barn_raising_depiction.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Barn_raising_depiction.jpg" ns="6" title="File:Barn raising depiction.jpg" />
      <img name="BrokenLink.png" timestamp="2012-10-08T11:17:14Z" url="http://wiki.gifteconomy.org/images/6/60/BrokenLink.png" descriptionurl="http://wiki.gifteconomy.org/File:BrokenLink.png" ns="6" title="File:BrokenLink.png" />
      <img name="Buffalo_Sisters_Gift_Circle_March_2010.jpg" timestamp="2011-11-15T02:17:26Z" url="http://wiki.gifteconomy.org/images/c/c4/Buffalo_Sisters_Gift_Circle_March_2010.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Buffalo_Sisters_Gift_Circle_March_2010.jpg" ns="6" title="File:Buffalo Sisters Gift Circle March 2010.jpg" />
      <img name="Capitalist.jpg" timestamp="2011-01-29T20:47:47Z" url="http://wiki.gifteconomy.org/images/b/ba/Capitalist.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Capitalist.jpg" ns="6" title="File:Capitalist.jpg" />
      <img name="Capitalist_mentality.jpg" timestamp="2010-10-13T03:57:06Z" url="http://wiki.gifteconomy.org/images/6/60/Capitalist_mentality.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Capitalist_mentality.jpg" ns="6" title="File:Capitalist mentality.jpg" />
      <img name="Casa_Robino.jpg" timestamp="2012-04-21T05:12:00Z" url="http://wiki.gifteconomy.org/images/7/7d/Casa_Robino.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Casa_Robino.jpg" ns="6" title="File:Casa Robino.jpg" />
      <img name="Connahs_Quay_1992.jpg" timestamp="2013-04-26T09:43:17Z" url="http://wiki.gifteconomy.org/images/3/34/Connahs_Quay_1992.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Connahs_Quay_1992.jpg" ns="6" title="File:Connahs Quay 1992.jpg" />
      <img name="Demonetization.jpg" timestamp="2011-03-06T10:09:44Z" url="http://wiki.gifteconomy.org/images/f/fe/Demonetization.jpg" descriptionurl="http://wiki.gifteconomy.org/File:Demonetization.jpg" ns="6" title="File:Demonetization.jpg" />
    </allimages>
  </query>
</api>