Diese Zeile:
<link rel="icon" type="image/png" href="<?php print base_path() . drupal_get_path('theme', 'responsive_blog') . '/logo_niederfrohna.png'; ?>" />in die Datei /sites/all/themes/responsive_blog/templates/html.tpl.php einfügen
<!DOCTYPE html>
<html lang="<?php print $language->language; ?>" dir="<?php print $language->dir; ?>"<?php print $rdf_namespaces; ?>>
<head>
<?php print $head; ?>
<title><?php print $head_title; ?></title>
<?php print $styles; ?>
<?php print $scripts; ?>
<!--[if lt IE 9]><script src="<?php print base_path() . drupal_get_path('theme', 'responsive_blog') . '/js/html5.js'; ?>"></script><![endif]-->
<link rel="icon" type="image/png" href="<?php print base_path() . drupal_get_path('theme', 'responsive_blog') . '/logo_niederfrohna.png'; ?>" />
</head>
<body class="<?php print $classes; ?>"<?php print $attributes; ?>>
<?php print $page_top; ?>
<?php print $page; ?>
<?php print $page_bottom; ?>
</body>
</html>