how to combine with rel=lightbox

solved….thanks

it’s my code…combine attachment navigation light box
<?php
$my_upload_images = get_post_meta( $post->ID, ‘my_upload_images’, true );
if ( $my_upload_images ):
foreach( $my_upload_images as $key => $img_id ):

if(wp_get_attachment_url($img_id))
{
?>
” rel=”lightbox[gallery-0]”><?php echo wp_get_attachment_image($img_id , array(100,100)); ?>
<?php
}
endforeach;
endif;
?>