yarpp-template-thumbs_5.php

<?php
/*
To limit this template to a max related posts number, rename this file to something_X.php where X is your digit limit
example : yarpp-template-thumbs_5.php
*/
?>

<?php
 $limit = 0;
 if (preg_match("/.+_(\d+)\.php/i", __FILE__, $matches)) {
   $limit =  $matches[1];
 }
 if ($related_query->have_posts()):?>
    <h4 class="meta">You may be interested in:</h4>

    <ol class="related-posts">
      <?php if($limit) $i=0; ?>
        <?php while ($related_query->have_posts()) : $related_query->the_post(); ?>
      <?php if($limit) {
              $i++;
              if($i>$limit) break;
            }
      ?>
            <li>
                <?php
                    $img = '';
                    if ( has_post_thumbnail() ) {
                        $img = get_the_post_thumbnail( $post->ID, 'related-thumbnail', array( 'title' => $title, 'alt' => $title ) );
                    }
                    else {
                        $attachments = get_children( array('post_parent' => $post->ID, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image',  'numberposts' => 1 ) );

                        if ( count( $attachments ) > 0 ) {
                            $img = array_shift( $attachments );
                            $img = wp_get_attachment_image( $img->ID, 'related-thumbnail', true );
                        }
                    }

                    $extra_class = '';
                    if ( $img == '' ) {
                        $img         = wp_html_excerpt( get_the_excerpt(), 40 );
                        $extra_class = ' related-thumb-text';
                    }
                ?>
                <div class="related-post">
                    <div class="related-thumb<?php echo $extra_class; ?>">
                        <a href="<?php the_permalink() ?>" rel="bookmark">
                            <?php echo $img; ?>
                        </a>
                    </div>

                    <div class="related-title">
                        <a href="<?php the_permalink() ?>" rel="bookmark">
                            <?php the_title(); ?>
                        </a>
                    </div>
                </div>
            </li>

        <?php endwhile; ?>
    </ol>
    <div style="clear: both"></div>

<?php endif; ?>