<?php 
	// You have to change the post.
	$args = array( 'post_type' => 'wpbdp_listing', 'posts_per_page' => 6 );
	
	$loop = new WP_Query( $args ); 
	
	global $wpdb;
  	
	$querystr = "SELECT wp_posts.*, rate.average_rating_users FROM wp_posts
LEFT JOIN wp_gdsr_multis_data rate ON (wp_posts.ID = rate.post_id) 
Where wp_posts.post_status = 'publish' AND wp_posts.post_type = 'wpbdp_listing' AND rate.multi_id =2 
ORDER BY rate.average_rating_users DESC LIMIT 10 ";
 	
	$pageposts = $wpdb->get_results($querystr, OBJECT); 
	
if ($pageposts){ global $post; ?>

 	<div id="ratings-widget-2" class="widget widget_ratings-widget">
  		<h3>Just Rated</h3>
  		<ul> <?php
  			foreach ($pageposts as $post){ setup_postdata($post); ?>
      		<li>
            	<a class="read_more" href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
				<?php wp_gdsr_render_multi ($multi_set_id=2, $template_id=0, $read_only=true, $post_id=0, $stars_set="", $stars_size=0, $stars_set_ie6="", $avg_stars_set_ie6="oxygen_gif", $echo=false);  ?>
			</li>
  			<?php } ?>
     	</ul>
	</div>
<?php } ?>

Demo: http://myhairlog.com/