[Plugin: Add Comments] suggestion

in this func, i think you need a check for empty:

function addComments_add_comments( $id, $author, $email, $url, $ip, $comments ) {

	$explodes = explode( '%*%', $comments );

	foreach( $explodes as $comment )
if($comment == '')continue;

http://wordpress.org/extend/plugins/add-comments/