adding in background image on body of page

hi guys,

i want to add an image as background in the body of my wordpress site, how do i do that i am using theattached code  as a template

<?php
/*
Template Name: My Custom Indexer Page
*/

get_header(); ?>

	<div id="primary" class="site-content">
		<div id="content" role="main">

			<?php while ( have_posts() ) : the_post(); ?>
				<?php get_template_part( 'content', 'page' ); ?>
				<?php //comments_template( '', true ); ?>
			<?php endwhile; // end of the loop. ?>

		</div><!-- #content -->
	</div><!-- #primary -->
	<?php get_sidebar(); ?>

<div class="photos_videos">   
       <h2>PHOTOS &amp; VIDEOS</h2>
      <div id="banner-fade">
        <!-- start Basic Jquery Slider -->
        <ul class="bjqs">
       <?php  query_posts("cat=4"); 
         while (have_posts()) : the_post(); ?>
         <?php $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'single-post-thumbnail' ); ?>
        <li><a href="<?php the_permalink(); ?>"><img src="<?php echo $image[0]; ?>" title="<?php the_title(); ?>"></a> </li>
         <?php endwhile;
	    wp_reset_query(); ?>
      
        </ul>
        <!-- end Basic jQuery Slider -->
      </div>  
     </div> <!-- #photos_videos -->  
    <div class="widget widget_foo_widget new1" id="foo_widget-2" >
    <h3>Latest News</h3>
   <?php query_posts("cat=3&showposts=3"); 
         while (have_posts()) : the_post();
		echo '<h2><a href="'.get_permalink().'">'.get_the_title().'</a><span>'.get_the_date('d-M-Y').'</span></h2>';
		echo '<p>'.substr(get_the_excerpt(),0,100).'...</p>';
		endwhile;
		wp_reset_query(); ?>
    </div>
	<div class="box_row4">
            	
                   <!--<a href="#"><img src="<?php //bloginfo('template_url') ?>/images/oxygen_map.png"></a>
            
                
                     <a href="#"><img src="<?php //bloginfo('template_url') ?>/images/wexford_img.png"></a>
                
          	      <a href="#"><img src="<?php //bloginfo('template_url') ?>/images/booking_forms.png" style="margin-right:0px;"></a>-->
                  
                  <a href="http://www.piratescove.ie/competitions-2/"><div class="red1">Competitions</div></a>
                  <a href="http://www.courtownharbour.com" title="Courtown Harbour Website"><div class="green1">Courtown Harbour</div></a>
                  <a href="http://www.piratescove.ie/hire-us/"><div class="blue1" style="margin-right:0px;">Hire Us</div></a>
                  
                  
             
            </div>
   </div><!-- #content -->
      
        
	</div><!-- #primary -->


     
	 


<?php get_sidebar(); ?>
<?php get_footer(); ?>

Select allOpen in new window

thanks