Add Breadcrumbs In Thesis Without Plugins

function thesis_breadcrumbs() {
	echo '<a href="';
	echo get_option('home');
	echo '">';
	bloginfo('name');
	echo "</a>";
		if (is_category() || is_single()) {
			echo "&nbsp;&nbsp;&#187;&nbsp;&nbsp;";
			the_category(' &bull; ');
				if (is_single()) {
					echo " &nbsp;&nbsp;&#187;&nbsp;&nbsp; ";
					the_title();
				}
        } elseif (is_page()) {
            echo "&nbsp;&nbsp;&#187;&nbsp;&nbsp;";
            echo the_title();
		} elseif (is_search()) {
            echo "&nbsp;&nbsp;&#187;&nbsp;&nbsp;Search Results for... ";
			echo '"<em>';
			echo the_search_query();
			echo '</em>"';
        }
    }
function display_breadcrumbs() {
?><div class="breadcrumbs"><?php thesis_breadcrumbs(); ?></div><?php
	}

add_action('thesis_hook_after_header','display_breadcrumbs');

.custom .breadcrumbs {
	font-family:Verdana,Arial;
	font-size:1.2em;
	padding:1.2em 1em 1em 1em;
	border-bottom:1px #666;
	border-top:1px  #666;
}
.custom .breadcrumbs a {
	color:#cc0000;
	border-bottom:1px #fff;
}
.custom .breadcrumbs a:hover {
	border-bottom:1px #cc0000;
}