//给标签云里的链接加上 rel="nofollow"
add_filter('wp_tag_cloud', 'cis_nofollow_tag_cloud');
function cis_nofollow_tag_cloud($text) {
	return str_replace('<a href=', '<a rel="nofollow" href=',  $text);	
}
 
//给 the_tags() 生成的链接 加上 rel="nofollow"
add_filter('the_tags', 'cis_nofollow_the_tag');
function cis_nofollow_the_tag($text) {
	return str_replace('rel="tag"', 'rel="tag nofollow"', $text);
}
 
//给 wp_list_categories() 生成的链接加上 rel="nofollow"
add_filter( 'wp_list_categories', 'cis_nofollow_wp_list_categories' );
function cis_nofollow_wp_list_categories( $text ) {
 
	$text = stripslashes($text);
	$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
	return $text;
}
 
//给 the_category() 生成的链接加上 rel="nofollow"
add_filter( 'the_category', 'cis_nofollow_the_category' );
function cis_nofollow_the_category( $text ) {
 
	$text = str_replace('rel="category tag"', "", $text);
	$text = cis_nofollow_wp_list_categories($text);
	return $text;
}
 
//给 the_author_post_link 生成的链接加上 rel="nofollow"
add_filter('the_author_posts_link', 'cis_nofollow_the_author_posts_link');
function cis_nofollow_the_author_posts_link ($link) {
	return str_replace('</a><a href=', '<a rel="nofollow" href=',  $link);	
}
 
//给 comments_popup_link_attributes() 生成的链接加上 rel="nofollow"
add_filter('comments_popup_link_attributes', 'cis_nofollow_comments_popup_link_attributes');
function cis_nofollow_comments_popup_link_attributes () {
	echo ' rel="nofollow"';
}

<ul id="menu-main">
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Contact</a></li>
    <li><a href="#">Blog</a></li>
</ul>

<ul id="menu-main">
     <li><a href="#"><strong>Home</strong><span>Description</span></a></li>
     <li><a href="#"><strong>About</strong><span>Description</span></a></li>
     <li><a href="#"><strong>Contact</strong><span>Description</span></a></li>
     <li><a href="#"><strong>Blog</strong><span>Description</span></a></li>
</ul>

class description_walker extends Walker_Nav_Menu
{
      function start_el(&$output, $item, $depth, $args)
      {
           global $wp_query;
           $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
 
           $class_names = $value = '';
 
           $classes = empty( $item->classes ) ? array() : (array) $item->classes;
 
           $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
           $class_names = ' class="'. esc_attr( $class_names ) . '"';
 
           $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
 
           $attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
           $attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
           $attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
           $attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
 
           $prepend = '<strong>';
           $append = '</strong>';
           $description  = ! empty( $item->description ) ? '<span>'.esc_attr( $item->description ).'</span>' : '';
 
           if($depth != 0)
           {
                     $description = $append = $prepend = "";
           }
 
            $item_output = $args->before;
            $item_output .= '<a '. $attributes .'>';
            $item_output .= $args->link_before .$prepend.apply_filters( 'the_title', $item->title, $item->ID ).$append;
            $item_output .= $description.$args->link_after;
            $item_output .= '</a>';
            $item_output .= $args->after;
 
            $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
            }
}
</li>

wp_nav_menu( array(
	'container' =>false,
	'menu_class' => 'nav',
	'echo' => true,
	'before' => '',
	'after' => '',
	'link_before' => '',
	'link_after' => '',
	'depth' => 0,
	'walker' => new description_walker())
);

#header ul.navigation li a.home {
	background:url("images/home.png") no-repeat 0 1px transparent;
}
#header ul.navigation li a.about {
	background:url("images/about.png") no-repeat 0 0px transparent;
}
#header ul.navigation li a.advertise {
	background:url("images/advertise.png") no-repeat 0 0px transparent;
}
#header ul.navigation li a.archive {
	background:url("images/archive.png") no-repeat 1px 2px transparent;
}
#header ul.navigation li a.contact {
	background:url("images/contact.png") no-repeat 0 3px transparent;
}

$(document).ready(function(){
	$('ul.navigation li a').addClass(function() {
		return $(this).attr('title');
	});
});

< ?php if(function_exists('wp_pagenavi')) : ?>
	< ?php wp_pagenavi() ?>
< ?php endif; ?>

< ?php if(function_exists('wp_pagenavi')) : ?>
	< ?php wp_pagenavi() ?>
< ?php else : ?>
	<span class="newer">< ?php previous_posts_link(__('Newer Entries&raquo;')); ?></span>
	<span class="older">< ?php next_posts_link(__('&laquo;Older Entries')); ?></span>
< ?php endif; ?>

< ?php if (function_exists('wp_easyarchives')) : ?>
	< ?php wp_easyarchives(); ?>
< ?php else : ?>
	<div class="messagebox">
		< ?php _e('Sorry, please activate WP-EasyArchives plugin.'); ?>
	</div>
< ?php endif; ?>

<script type="text/javascript">//< ![CDATA[
var ajaxCommnetsPagerCommentsId = "thecomments" //thecomments是评论列表的ID，请根据自己的主题自行修改
var ajaxCommnetsPagerAjaxLoader = "Loading..."
//]]></script>

$callback = 'custom_comment'; //我的主题里评论样式名为custom_comment
$type = '&type=comment'; //只显示评论

<span id="cp_post_id">< ?php echo $post->ID; ?></span>

function most_popular_posts($no_posts = 10, $before = '<li>', $after = '</li>', $show_pass_post = false, $duration='') {
//定制参数，可以自己修改相关参数，以便写样式
global $wpdb;
$request = "SELECT ID, post_title, COUNT($wpdb->comments.comment_post_ID) AS 'comment_count' FROM $wpdb->posts, $wpdb->comments";
//在数据库里选择所需的数据
$request .= " WHERE comment_approved = '1' AND $wpdb->posts.ID=$wpdb->comments.comment_post_ID AND post_status = 'publish'";
//筛选数据，只统计公开的文章
if(!$show_pass_post) $request .= " AND post_password =''";
if($duration !="") { $request .= " AND DATE_SUB(CURDATE(),INTERVAL ".$duration." DAY) < post_date ";
}
$request .= " GROUP BY $wpdb->comments.comment_post_ID ORDER BY comment_count DESC LIMIT $no_posts";
//按评论数排序
$posts = $wpdb->get_results($request);
$output = '';
if ($posts) {
foreach ($posts as $post) {
$post_title = stripslashes($post->post_title);
$comment_count = $post->comment_count;
$permalink = get_permalink($post->ID);
$output .= $before . '<a href="' . $permalink . '" title="' . $post_title.'">' . $post_title . '</a> (' . $comment_count.')' . $after;
}
//输出文章列表项
} else {
$output .= $before . "None found" . $after;
//没有文章时则输出
}
echo $output;
}

< ?php most_popular_posts(); ?>

function gravatar($rating = false, $size = false, $default = false, $border = false) {
	global $comment;
	$out = "http://www.gravatar.com/avatar.php?gravatar_id=".md5($comment->comment_author_email);
	if($rating && $rating != '')
		$out .= "&rating=".$rating;
	if($size && $size != '')
		$out .="&size=".$size;
	if($default && $default != '')
		$out .= "&default=".urlencode($default);
	if($border && $border != '')
		$out .= "&border=".$border;
	echo $out;
}

<img src="<?php gravatar("R", 45, get_bloginfo('template_url')."/images/avatar-replace.png"); ?/>" alt="Avatar" />