WordPress Loop with WPAlchemy custom metabox fields

<?php query_posts('posts_per_page=6'); 
if (have_posts()) : while (have_posts()) : the_post(); ?>
  <article id="post-<?php the_ID(); ?>" <?php post_class('post-item') ?> >
  	<div class="post-content">
  		<header>
  			<h2><a href="<?php the_permalink() ?>" title="<?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
  		</header>
  		<p><?php the_excerpt() ?></p>
  		<footer class="action">
  		<?php while ( $billboard_metabox->have_fields_and_multi('links') ) { ?>
  			<a href="<?php $billboard_metabox->the_value('link'); ?>" title="<?php $billboard_metabox->the_value('title'); ?>">&raquo; <?php $billboard_metabox->the_value('title'); ?></a>
  		<?php } ?>
  		</footer>
  	</div>
  </article>
<?php endwhile; else : ?>
<?php endif; wp_reset_query(); ?>