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Kepek / Kufirc torrent preview cover 

// ==UserScript==
// @name    Kufirc torrent preview cover
// @name:hu Kufirc torrenten a borítóképek megjelenítése
// @author    Kepek
// @description   The list page shows the cover images
// @description:hu A lista oldalon megmutatja a borítóképet
// @namespace    https://openuserjs.org/users/Kepek
// @license MIT
// @version    0.1
// @include    https://kufirc.com/torrents.php*
// @compatible    Greasemonkey
// @require     https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js
// ==/UserScript==

// Before use, in Search Center choose categories and click on save button (subtitle: "Tedd alapértelmezetté")

// cover image
$('#torrent_table td > a').each(function (index, value) {

  var id = $(value).attr("href");

  id = id.replace("/torrents.php?id=", "");

  if (typeof unsafeWindow["overlay" + id] !== 'undefined') {

    var popup = $.parseHTML(unsafeWindow["overlay" + id]);

    var src = $('img', popup).attr("src");

    $(value).append('<div><img src="' + src + '" style="max-width: 300px;"></div>');

  }

});