help customizing nav menu

I am trying to add an image after each link in the menu. You know, the standard pipe image that comes after each link to separate the menu items. I have tried it this way but it’s not working. I see that the menu has moved to allow for the image, but it don’t show up. Instead, it echoes out the blog address above the menu

wp_nav_menu( array(
 		     'container' =>false,
                     'menu_class' => 'nav',
                     'echo' => true,
                     'before' => '',
                     'after' => '<li><img class="seperator" alt="" src="' . bloginfo('template_directory') . '/images/navSeperator.jpg" height="20" width="2" /></li>',
                     'link_before' => '',
                     'link_after' => '',
                     'depth' => 0,
                     //'walker' => new description_walker()
					 )