Wordpress PageofPosts template

<?php
/*
Template Name: PageOfPosts
*/

get_header(); ?>

  <div id="content" class="narrowcolumn">

<?php
$showposts = -1; // -1 shows all posts
$do_not_show_stickies = 1; // 0 to show stickies
   $args=array(
   'showposts' => $showposts,
   'caller_get_posts' => $do_not_show_stickies,
   );
$my_query = new WP_Query($args);

?>

  <?php if( $my_query->have_posts() ) : ?>

  <!--post title-->
  <h1 id="post-<?php the_ID(); ?>"><?php the_title(); ?></h1>

    <?php while ($my_query->have_posts()) : $my_query->the_post(); ?>
      <?php
      //necessary to show the tags
      global $wp_query;
      $wp_query->in_the_loop = true;
      ?>
      <div <?php post_class() ?> id="post-<?php the_ID(); ?>">
        <h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
        <small><?php the_time('F jS, Y') ?> <!-- by <?php the_author() ?> --></small>

        <div class="entry">
          <?php the_content('Read the rest of this entry »'); ?>
        </div>

        <p class="postmetadata"><?php the_tags('Tags: ', ', ', '<br />'); ?> Posted in <?php the_category(', ') ?> | <?php edit_post_link('Edit', '', ' | '); ?>  <?php comments_popup_link('No Comments »', '1 Comment »', '% Comments »'); ?></p>
      </div>

    <?php endwhile; ?>

    <div class="navigation">
      <div class="alignleft"><?php next_posts_link('« Older Entries') ?></div>
      <div class="alignright"><?php previous_posts_link('Newer Entries »') ?></div>
    </div>

  <?php else : ?>

    <h2 class="center">Not Found</h2>
    <p class="center">Sorry, but you are looking for something that isn't here.</p>
    <?php get_search_form(); ?>

  <?php endif; ?>

  </div>

<?php get_sidebar(); ?>

<?php get_footer(); ?>