meta.php

<div class="carousel">
	<a href="#" class="prev">&nbsp</a>
	<ul id="mycarousel" class="jcarousel-skin-carousel">

<?php global $ad_metabox; ?>

	<?php query_posts('post_type=ad&showposts=-1') ?>
	<?php if (have_posts()) : ?>
	<?php while (have_posts()) : the_post(); ?>
			<li>
				<?php $ad_metabox->the_meta( get_the_ID() ); ?>
				<?php echo $ad_metabox->get_the_value('ad-url'); ?>
				<a href=""><?php the_post_thumbnail(); ?></a>

			</li>
		<?php endwhile; endif; ?>
	</ul>
	<a href="#" class="next">&nbsp</a>

	<?php wp_reset_query(); ?>

</div><!-- .carousel -->