$items['user/%/content'] = array(
      'title' => 'Content',
      'page callback' => 'content_list',
      'access callback' => 'user_access',
      'access arguments' => array('create content', 1),
      'type' => MENU_LOCAL_TASK,
    );
    foreach ($types as $node_type) {
        $items['user/%/content/' . $node_type->type] = array(
            'title' => $node_type->name,
            'access callback' => 'user_access',
            'access arguments' => array('create content', 1),
            'page callback' => 'get_content_list',
            'page arguments' => array(1, $node_type->type),
            'type' => MENU_LOCAL_TASK,
        );