public function fetchImage($image_url, $folder='') {

		$error = '';
		$info = '';
		$filename = '';

		$image_url = trim($image_url);

		if (strstr($image_url, 'catalog/') == 0 && file_exists(DIR_IMAGE . $folder . $image_url)) {
			$error = sprintf("[%s] - %s", $this->language->get('log_level_info'), $image_url . ' is not a URL, using local file instead.');
            $filename = $image_url;
        }

		if (strpos($image_url, 'http') !== 0) {
			$error = sprintf("[%s] - %s", $this->language->get('log_level_info'), $image_url . ' is not a valid URL, skipping image.');
		}

		if (empty($error)) {

			if($folder != '') {
				$new_folder = DIR_IMAGE . 'catalog/' . $folder;
				if (!file_exists($new_folder)) {
					mkdir($new_folder, 0777, true);
				}
			}

			if (strstr($image_url, '?')) {
				if($folder != '' && $folder != '/') {
					$filename = 'catalog/' . $folder . '/' . md5($image_url) . '.jpg';
				} else {
					$filename = 'catalog/' . md5($image_url) . '.jpg';
				}
			} else {
				$url_parts = explode('/', $image_url);
				// Decode html space for image filename
				$end = str_replace('%20', ' ', end($url_parts));
				if($folder != '' && $folder != '/') {
					$filename = 'catalog/' . $folder . '/' . $end;
				} else {
					$filename = 'catalog/' . $end;
				}
			}

			if (pathinfo($filename, PATHINFO_EXTENSION) == "")
				$filename = $filename.'.jpg';

			if (!file_exists(DIR_IMAGE . $filename)) {
				$fp = fopen(DIR_IMAGE . $filename, 'w');
				$ch = curl_init();
				$ports = array();
				// Encode spaces in url
				$image_url = str_replace(' ', '%20', $image_url);
				if (preg_match('/:(\d+)/', $image_url, $ports)) {
                    $image_url = preg_replace('/:\d+/', '', $image_url);
                    curl_setopt($ch, CURLOPT_PORT, (int)$ports[1]);
                }
				curl_setopt($ch, CURLOPT_URL, $image_url);
				curl_setopt($ch, CURLOPT_FILE, $fp);
				if (ini_get('open_basedir') == '') {
					curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
					curl_setopt($ch, CURLOPT_MAXREDIRS, 2);
				}
			    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
				curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
				curl_exec($ch);

				$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
				$info = curl_getinfo($ch);
				curl_close($ch);
				fclose($fp);
				$file_info = "";
				if (file_exists(DIR_IMAGE . $filename) && filesize(DIR_IMAGE . $filename) > 0)
					$file_info = getimagesize(DIR_IMAGE . $filename);
				if($httpCode == 404 || empty($file_info) || (isset($file_info['mime']) && strpos($file_info['mime'], 'image/') !== 0)) {
					unlink(DIR_IMAGE . $filename);
					$filename = '';
					if (isset($file_info['mime']) && strpos($file_info['mime'], 'image/') !== 0) {
						$error = sprintf("[%s] - %s", $this->language->get('log_level_warning'), $image_url . " was not an image.");
					}
					if($httpCode == 404) {
						$error = sprintf("[%s] - %s", $this->language->get('log_level_warning'), $image_url . " not found. (404)");
					}
					if(empty($file_info)) {
						$error = sprintf("[%s] - %s", $this->language->get('log_level_warning'), $image_url . " was empty.");
					}
				}
			}
		}
		return array('filename' => $filename, 'error' => $error, 'info' => $info);
	}