Override anlegen von modules/mod_articles_latest/tmpl/default.php mit folgendem Inhalt
<?php
/**
* @package Joomla.Site
* @subpackage mod_articles_latest
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
?>
<ul class="latestnews<?php echo $moduleclass_sfx; ?>">
<?php foreach ($list as $item) : ?>
<li itemscope itemtype="http://schema.org/Article">
<?php $db = JFactory::getDBO();
$query = "select `params` FROM `#__categories` WHERE `id` = " . $item->catid; $db->setQuery($query);
$images = $db->loadResult();
$result=json_decode($images);?>
<img src="/<?php echo $result->image;
?>">
<a href="/<?php echo $item->link; ?>" itemprop="url">
<span itemprop="name">
<?php echo $item->title; ?>
</span>
</a>
</li>
<?php endforeach; ?>
</ul>