function dp_popular_posts($num, $pre='<li>', $suf='</li>', $excerpt=false) {
	global $wpdb;
	$querystr = "SELECT $wpdb->posts.post_title, $wpdb->posts.ID, $wpdb->posts.post_content FROM $wpdb->posts WHERE $wpdb->posts.post_status = 'publish' AND $wpdb->posts.post_type = 'post' ORDER BY $wpdb->posts.comment_count DESC LIMIT $num";
	$myposts = $wpdb->get_results($querystr, OBJECT);
	foreach($myposts as $post) {
		echo $pre;
		?><a class="title" href="<?php echo get_permalink($post->ID); ?>"><?php echo $post->post_title ?></a><?php
		if ($excerpt) {
			dp_attachment_image($post->ID, 'medium', 'alt="'.$post->post_title.'"');
			?><p><?php echo dp_clean($post->post_content, 85); ?>... <a href="<?php echo get_permalink($post->ID); ?>">Read More</a></p><?php
		}
		echo $suf;
	}
}