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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="Building_Alliance_Depot.jpg" timestamp="2010-12-03T00:09:39Z" url="http://wiki.ogame.org/images/8/8a/Building_Alliance_Depot.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Alliance_Depot.jpg" ns="6" title="File:Building Alliance Depot.jpg" />
      <img name="Building_Crystal_Mine.jpg" timestamp="2010-12-03T00:10:16Z" url="http://wiki.ogame.org/images/0/00/Building_Crystal_Mine.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Crystal_Mine.jpg" ns="6" title="File:Building Crystal Mine.jpg" />
      <img name="Building_Crystal_Storage.jpg" timestamp="2010-12-03T00:11:47Z" url="http://wiki.ogame.org/images/a/a5/Building_Crystal_Storage.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Crystal_Storage.jpg" ns="6" title="File:Building Crystal Storage.jpg" />
      <img name="Building_Deuterium_Synthesizer.jpg" timestamp="2010-12-03T00:12:24Z" url="http://wiki.ogame.org/images/9/9a/Building_Deuterium_Synthesizer.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Deuterium_Synthesizer.jpg" ns="6" title="File:Building Deuterium Synthesizer.jpg" />
      <img name="Building_Deuterium_Tank.jpg" timestamp="2010-12-03T00:13:21Z" url="http://wiki.ogame.org/images/4/47/Building_Deuterium_Tank.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Deuterium_Tank.jpg" ns="6" title="File:Building Deuterium Tank.jpg" />
      <img name="Building_Fusion_Reactor.jpg" timestamp="2010-12-03T00:13:33Z" url="http://wiki.ogame.org/images/c/cd/Building_Fusion_Reactor.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Fusion_Reactor.jpg" ns="6" title="File:Building Fusion Reactor.jpg" />
      <img name="Building_Jump_Gate.jpg" timestamp="2010-12-03T00:17:11Z" url="http://wiki.ogame.org/images/0/0d/Building_Jump_Gate.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Jump_Gate.jpg" ns="6" title="File:Building Jump Gate.jpg" />
      <img name="Building_Lunar_Base.jpg" timestamp="2010-12-03T00:24:29Z" url="http://wiki.ogame.org/images/4/4a/Building_Lunar_Base.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Lunar_Base.jpg" ns="6" title="File:Building Lunar Base.jpg" />
      <img name="Building_Metal_Mine.jpg" timestamp="2010-12-03T00:24:42Z" url="http://wiki.ogame.org/images/c/c9/Building_Metal_Mine.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Metal_Mine.jpg" ns="6" title="File:Building Metal Mine.jpg" />
      <img name="Building_Metal_Storage.jpg" timestamp="2010-12-03T00:24:52Z" url="http://wiki.ogame.org/images/7/79/Building_Metal_Storage.jpg" descriptionurl="http://wiki.ogame.org/index.php/File:Building_Metal_Storage.jpg" ns="6" title="File:Building Metal Storage.jpg" />
    </allimages>
  </query>
  <query-continue>
    <allimages aifrom="Building Missile Silo.jpg" />
  </query-continue>
</api>