redirect after submit photo and audio

[liomj]

how do i properly refer last insert id $xoopsDB->getInsertId();
in submitImage.php and submitAudio.php ? so we can redirect it like this after submit

redirect_header(
            XOOPS_URL . '/modules/suico/album.php?uid=' . $xoopsUser->getVar('uid') . '#' . $image_id,
            3,
            _MD_SUICO_UPLOADED
        );