A snippet to list recent posts with their post thumbnail on the Single.php template, which excludes the current Single Post.

Wordpress List Recent Posts Excluding Current Post

<div class="recent-post-list">
          <?php
							$the_query = new WP_Query(array('showposts' => 5, 'orderby' => 'post_date', 'order' => 'desc', 'offset' => 1, 'post__not_in' => array( $post->ID )));	
							while ($the_query->have_posts()) : $the_query->the_post(); ?>
									<div class="recent-post"> 
										 <a title="<?php the_title(); ?>" href="<?php the_permalink() ?>" rel="bookmark">
										<?php the_post_thumbnail(array(50,50, true), array ('')); ?>
										<h3><?php the_title(); ?></h3>
										</a>
										 <div class="clear"></div>
									</div>				
									
							<?php endwhile; ?>
							<?php wp_reset_query(); ?>
</div>