in order to display some order status, update this contribution as follow:
open admin/includes/header.php, and find this string:
// order summary
add the following after above string:
$orders_status_restriction = '1,3'; //list of allowed order status id, separeted by comma
and find this code (there are 2 match)
$orders_status_query = tep_db_query("select orders_status_name, orders_status_id from " . TABLE_ORDERS_STATUS . " where language_id = '" . (int)$languages_id . "'");
and replace by this
$orders_status_query = tep_db_query("select orders_status_name, orders_status_id from " . TABLE_ORDERS_STATUS . " where " . ((tep_not_null($orders_status_restriction)) ? " orders_status_id in (" . $orders_status_restriction . ") and " : "") . " language_id = '" . (int)$languages_id . "'");