Help with template

Hello I want to put a thumb in the standard code more do not know how, can someone help me?

Example when you have the thumb of the actor she put a thumb pattern.

<?php
$posttags = get_the_tags();

if ($posttags) {
foreach($posttags as $tag) {
echo '<a href="'.get_tag_link($tag->term_id).'" title="Click para ver mais filmes de ' . $tag->name . '"/><img src="/wp-content/plugins/simple-post-thumbnails/timthumb.php?src=/wp-content/ator/' . $tag->name . '.jpg&h=167&w=150&zc=1&q=100"
alt="' . $tag->name . '" /></a> ';
}
}
?>