diff --git a/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_1.png b/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_1.png
new file mode 100644
index 0000000..dee7fcf
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diff --git a/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_2.png b/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_2.png
new file mode 100644
index 0000000..6e1bd89
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diff --git a/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_3.png b/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_3.png
new file mode 100644
index 0000000..66595ac
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diff --git a/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_4.png b/src/GergelyPolonkai/FrontBundle/Resources/public/images/header_4.png
new file mode 100644
index 0000000..7589c50
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diff --git a/src/GergelyPolonkai/FrontBundle/Resources/views/Default/front_base.html.twig b/src/GergelyPolonkai/FrontBundle/Resources/views/Default/front_base.html.twig
index d334019..93da997 100644
--- a/src/GergelyPolonkai/FrontBundle/Resources/views/Default/front_base.html.twig
+++ b/src/GergelyPolonkai/FrontBundle/Resources/views/Default/front_base.html.twig
@@ -11,7 +11,7 @@
     </head>
     <body>
         <div id="content-wrapper">
-            <div id="header">
+            <div id="header" style="background-image: url('{{ asset('bundles/gergelypolonkaifront/images/' ~ random_header) }}');">
                 <h1><a href="{{ path('GergelyPolonkaiFrontBundle_homepage') }}">Gergely Polonkai</a></h1>
                 <h2>developer, systems engineer and administrator</h2>
                 <div id="contact-list">
diff --git a/src/GergelyPolonkai/FrontBundle/Twig/RandomHeader.php b/src/GergelyPolonkai/FrontBundle/Twig/RandomHeader.php
new file mode 100644
index 0000000..e6263b2
--- /dev/null
+++ b/src/GergelyPolonkai/FrontBundle/Twig/RandomHeader.php
@@ -0,0 +1,54 @@
+<?php
+namespace GergelyPolonkai\FrontBundle\Twig;
+
+use JMS\DiExtraBundle\Annotation as DI;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Description of RandomHeader
+ *
+ * @author polonkai.gergely
+ *
+ * @DI\Service
+ * @DI\Tag("twig.extension")
+ */
+class RandomHeader extends \Twig_Extension
+{
+    /**
+     * @var string $rootDir
+     */
+    private $rootDir;
+
+    /**
+     * @DI\InjectParams({
+     *     "kernelRootDir" = @DI\Inject("%kernel.root_dir%")
+     * })
+     */
+    public function __construct($kernelRootDir)
+    {
+        $this->rootDir = $kernelRootDir;
+    }
+
+    public function getGlobals()
+    {
+        return array(
+            'random_header' => $this->randomHeader(),
+        );
+    }
+
+    private function randomHeader()
+    {
+        $dh = opendir($this->rootDir . '/../web/bundles/gergelypolonkaifront/images');
+        $files = array();
+        while ($fn = readdir($dh)) {
+            if (preg_match('/^header_\d+\.png/', $fn)) {
+                $files[] = $fn;
+            }
+        }
+        return $files[array_rand($files)];
+    }
+
+    public function getName() {
+        return 'random_header';
+    }
+}
