<?php
//displays all users with their avatar and their posts (titles)
$blogusers = get_users_of_blog();
if ($blogusers) {
  foreach ($blogusers as $bloguser) {
    echo '<div class="content-slider-body">';
    $user = get_userdata($bloguser->user_id);
    echo get_avatar( $user->ID, 64 );
    $args=array(
      'author' => $user->ID,
      'post_type' => 'post',
      'post_status' => 'publish',
      'posts_per_page' => 1,
      'caller_get_posts'=> 1
    );
    $my_query = null;
    $my_query = new WP_Query($args);
    if( $my_query->have_posts() ) {
      //echo 'List of Posts for ' . user->user_firstname . ' ' . $user->user_lastname;
      while ($my_query->have_posts()) : $my_query->the_post(); ?>
        <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to     <?php the_title_attribute(); ?>"><?php the_title(); ?></a><br /><?php the_excerpt(); ?></p>

    <?php echo '<span class="rsTmb">' . $user->user_firstname . ' ' . $user->user_lastname . '</span>'; ?>
        </div>
        <?php
      endwhile;
    }
  wp_reset_query();  // Restore global post data stomped by the_post().
  }
}
?>