Mejorar orden de entradas en mi blog

<!-- Related Posts-->
							<?php 
							$backup = $post;
							$tags = wp_get_post_tags($post->ID);
							if ($tags) {
								$tag_ids = array();
								foreach($tags as $individual_tag) $tag_ids[] = $individual_tag->term_id;
							
								$args=array(
									'tag__in' => $tag_ids,
									'post__not_in' => array($post->ID),
									'showposts'=>4, // Number of related posts that will be shown.
									'caller_get_posts'=>1
								);
								$my_query = new wp_query($args);
								if( $my_query->have_posts() ) {
									echo '<h2>Articulos de amor relacionados</h2><ul class="relatedPosts">';
									while ($my_query->have_posts()) {
										$my_query->the_post();
									?>
										<li><?php the_post_thumbnail(array(40,40)); ?><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></li>
									<?php
									}
									echo '</ul>';
								}
							}
							$post = $backup;
							wp_reset_query();
							 ?>
							<!-- end Related Posts-->