Added check for existence of block image;

Made language/en/mods/portal.php look nicer

root/includes/acp/acp_portal.php

@@ -221,6 +221,8 @@ class acp_portal
 						'module_image_height'	=> request_var('module_img_height', 0),
 						'module_group_ids'		=> $module_permission,
 					);
+					
+					check_file_src($sql_ary['module_image_src'], '', $module_id);
 
 					$sql = 'UPDATE ' . PORTAL_MODULES_TABLE . '
 						SET ' . $db->sql_build_array('UPDATE', $sql_ary) . '

root/language/en/mods/portal.php

@@ -37,7 +37,7 @@ if (empty($lang) || !is_array($lang))
 // Common
 $lang = array_merge($lang, array(
 	'PORTAL'			=> 'Portal',
-	'VIEWING_PORTAL'	=> 'Portal page',
+	'VIEWING_PORTAL'                => 'Portal page',
 	'BACK'				=> 'Back',
 ));
 ?>