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="20131020142020|CD-back(bandpic).jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="Me_in_Brassneck_nov_19_77_001.jpg" timestamp="2018-04-08T17:16:17Z" user="Bigstrat2" url="http://www.bandwiki.ca/mediawiki/images/d/d7/Me_in_Brassneck_nov_19_77_001.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Me_in_Brassneck_nov_19_77_001.jpg" ns="6" title="File:Me in Brassneck nov 19 77 001.jpg" />
      <img name="Me_and_joe_roadhouse_2014.jpg" timestamp="2018-04-08T17:13:26Z" user="Bigstrat2" url="http://www.bandwiki.ca/mediawiki/images/1/16/Me_and_joe_roadhouse_2014.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Me_and_joe_roadhouse_2014.jpg" ns="6" title="File:Me and joe roadhouse 2014.jpg" />
      <img name="Me.jpg" timestamp="2018-04-08T17:12:02Z" user="Bigstrat2" url="http://www.bandwiki.ca/mediawiki/images/4/42/Me.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Me.jpg" ns="6" title="File:Me.jpg" />
      <img name="Img098.jpg" timestamp="2014-02-28T20:34:21Z" user="Destructo" url="http://www.bandwiki.ca/mediawiki/images/7/7d/Img098.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Img098.jpg" ns="6" title="File:Img098.jpg" />
      <img name="Cmig3947.jpg" timestamp="2014-02-27T02:21:55Z" user="Bigstrat2" url="http://www.bandwiki.ca/mediawiki/images/1/1e/Cmig3947.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Cmig3947.jpg" ns="6" title="File:Cmig3947.jpg" />
      <img name="THE_ERBS_-_TV_GUIDE_1967_800.jpg" timestamp="2014-02-23T19:04:50Z" user="ERB03" url="http://www.bandwiki.ca/mediawiki/images/3/3a/THE_ERBS_-_TV_GUIDE_1967_800.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:THE_ERBS_-_TV_GUIDE_1967_800.jpg" ns="6" title="File:THE ERBS - TV GUIDE 1967 800.jpg" />
      <img name="Erbs_two_up.jpg" timestamp="2013-11-04T12:40:39Z" user="ERB03" url="http://www.bandwiki.ca/mediawiki/images/3/30/Erbs_two_up.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Erbs_two_up.jpg" ns="6" title="File:Erbs two up.jpg" />
      <img name="Erbs_all_but_charlie.jpg" timestamp="2013-11-03T14:38:36Z" user="ERB03" url="http://www.bandwiki.ca/mediawiki/images/8/86/Erbs_all_but_charlie.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:Erbs_all_but_charlie.jpg" ns="6" title="File:Erbs all but charlie.jpg" />
      <img name="ERBs_1967_2w.jpg" timestamp="2013-11-03T00:30:52Z" user="ERB03" url="http://www.bandwiki.ca/mediawiki/images/8/83/ERBs_1967_2w.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:ERBs_1967_2w.jpg" ns="6" title="File:ERBs 1967 2w.jpg" />
      <img name="300x250CDCover.jpg" timestamp="2013-10-20T14:29:53Z" user="Wishbone" url="http://www.bandwiki.ca/mediawiki/images/1/19/300x250CDCover.jpg" descriptionurl="http://www.bandwiki.ca/thunderbay/File:300x250CDCover.jpg" ns="6" title="File:300x250CDCover.jpg" />
    </allimages>
  </query>
</api>