function wassimo realted

<?php

//get all users, iterate through users, query for one post for the user,
//if there is a post then display the post title, author, content info
$blogusersz =  get_users();
  $the_authord= get_the_author_ID();
if ($blogusersz) {
  foreach ($blogusersz as $bloguser) {
    $argsz = array(
    'author' => $the_authord,
      'showposts' => 1,
      'orderby' => rand,
      'caller_get_posts' => 1
    );
    $my_queryzz = new WP_Query($argsz);
    if( $my_queryzz->have_posts() ) {
      // $user = get_userdata($bloguser->user_id);
      // echo 'This is one post for author with User ID: ' . $user->ID . ' ' . $user->user_firstname . ' ' . $user->user_lastname;
      while ($my_queryzz->have_posts()) : $my_queryzz->the_post(); ?>
        <a style="margin:7px;" href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php  the_post_thumbnail( array(50,50) ); ?></a>
<?php
      endwhile;
    }
  }
}
?>