public static function download_lorem_image()
    {
        $url = 'http://lorempixel.com/1024/768?t='.uniqid();
        $img_filename = "mock-file-".uniqid().".jpeg";

        $img = self::get_mock_folder()->getFullPath().$img_filename;

        if (ini_get('allow_url_fopen')) {
            file_put_contents($img, file_get_contents($url));
        } else {
            $ch = curl_init($url);
            $fp = fopen($img, 'wb');
            curl_setopt($ch, CURLOPT_FILE, $fp);
            curl_setopt($ch, CURLOPT_HEADER, 0);
            curl_exec($ch);
            curl_close($ch);
            fclose($fp);
        }

        if (!file_exists($img) || !filesize($img)) {
            return false;
        }

        $i = Image::create();
        $i->Filename = self::get_mock_folder()->Filename.$img_filename;
        $i->Title = $img_filename;
        $i->Name = $img_filename;
        $i->ParentID = self::get_mock_folder()->ID;
        $i->write();

        return $i;
    }