Похожие записи с миниатюрами без плагина WordPress

  <div class="postnet">
        <?php $orig_post = $post;
    global $post;
    $tags = wp_get_post_tags($post->ID);
    if ($tags) {
    $tag_ids = array();
    foreach($tags as $individual_tag) $tag_ids[] = $individual_tag->term_id;
    $args=array(
    'tag__in' => $tag_ids,
    'post__not_in' => array($post->ID),
    'posts_per_page'=>5, // Количество похожих записей.
    'caller_get_posts'=>1
    );
    $my_query = new wp_query( $args );
    if( $my_query->have_posts() ) {

    echo '<div id="relatedposts"><h3 class="reltopp">Еще по теме...</h3><ul>';

    while( $my_query->have_posts() ) {
    $my_query->the_post(); ?>
    <li><div class="relatedthumb"><a href="<? the_permalink()?>" rel="bookmark" title="<?php the_title(); ?>"><?php the_post_thumbnail(); ?></a></div>
    <div class="relatedcontent">
    <h3><a href="<? the_permalink()?>" rel="bookmark" title="<?php the_title(); ?>"><?php the_title(); ?></a></h3>
    </div>
    </li>
    <? }
    echo '</ul></div>';
    }
    }
    $post = $orig_post;
    wp_reset_query(); ?>
        </div>

                <div class="postnet">
                            <?php $orig_post = $post;
    global $post;
    $categories = get_the_category($post->ID);
    if ($categories) {
    $category_ids = array();
    foreach($categories as $individual_category) $category_ids[] = $individual_category->term_id;

    $args=array(
    'category__in' => $category_ids,
    'post__not_in' => array($post->ID),
    'posts_per_page'=> 2, // Количество похожих записей.
    'caller_get_posts'=>1
    );

    $my_query = new wp_query( $args );
    if( $my_query->have_posts() ) {
    echo '<div id="related_posts"><h3 class="reltopp">Еще по теме...</h3><ul>';
    while( $my_query->have_posts() ) {
    $my_query->the_post();?>
    <li><div class="relatedthumb"><a href="<? the_permalink()?>" rel="bookmark" title="<?php the_title(); ?>"><?php the_post_thumbnail(); ?></a></div>
    <div class="relatedcontent">
    <h3><a href="<? the_permalink()?>" rel="bookmark" title="<?php the_title(); ?>"><?php the_title(); ?></a></h3>
    </div>
    </li>
    <?
    }
    echo '</ul></div>';
    }
    }
    $post = $orig_post;
    wp_reset_query(); ?></div>

.postnet {
width: auto;
margin: 0 auto 20px;
font-size: 12px;
height: 250px;
border:4px solid #eee;
}

.postnet li{
float:left;
height:auto;
width:auto;
margin:5px 16px 0 0;
list-style:none;
border-right:;
padding:4px;
display:block;
}

.postnet a{
font:13px arial;
text-decoration:none;
}

h3.reltopp {
font-size: 16px;
margin: 0 0 5px 0;
background:#6EA8FF;
color:#fff;
padding:3px ;
}

.postnet img {
margin: 0 0 3px 0;
padding: 0;
height:70px;
width:70px;

}

.postnet a {
color :#333;
text-decoration: none;
display:block;
padding: 4px;
width: 70px;
}
.postnet li:hover{
background-color:rgba(255, 255, 255, 0.45);
box-shadow: 0 0 6px #A5A5A5;
 }