'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => $post->ID );
$attachments = get_posts($args);
if ($attachments) :
$loop = 0;
$columns = 3;
foreach ( $attachments as $attachment ) :
if ($thumb_id==$attachment->ID) continue;
$loop++;
$_post = & get_post( $attachment->ID );
$url = wp_get_attachment_url($_post->ID);
$post_title = esc_attr($_post->post_title);
$image = wp_get_attachment_image($attachment->ID, 'shop_thumbnail');
echo '
'.$image.'';
endforeach;
endif;
wp_reset_query();
?>