D5 Design Theme - more Problematik

<?php 
/*     Template Name: Blog
    Design Theme's Blog Posts Showung Template
    Copyright: 2012-2013, D5 Creation, www.d5creation.com
    Based on the Simplest D5 Framework for WordPress
    Since Design 1.0
*/


get_header(); ?>
<?php echo do_shortcode("[metaslider id=351]"); ?>
<div class="pagenev"><div class="conwidth"><?php design_breadcrumbs() ?></div></div>
<div id="container">
<div id="content">




<?php
$args = array( 'post_type'=> 'post', 'paged' => ( get_query_var('paged') ? get_query_var('paged') : 1 ) );
query_posts( $args ); 


if (have_posts()) : while (have_posts()) : the_post();?>
 <div <?php post_class(); ?> id="post-<?php the_ID(); ?>">
 <h2 class="post-title"><a href="<?php the_permalink(); ?>"><?php the_title();?></a></h2>
 <div class="postmetadata1"><?php the_time('j F Y'); ?></div>
<br />
 <div class="entrytext"><?php if (!is_page()): ?><?php the_post_thumbnail(); ?></div>    
 <?php else: if (of_get_option('tpage', '') != '1' ): ?><div class="thumb"><?php the_post_thumbnail(); ?></div><?php endif; endif; ?>
 <?php design_content(); ?> 
 <div class="clear"> </div>
 </div>
<span class="postmetadata3"><h5>Von: <?php the_author_posts_link() ?>
<br />Geposted in <?php the_category(', ') ?><?php the_tags('<br />Tags: ', ', ', ''); ?><br /></h5></span>


 <div class="content-ver-sep"></div><br />
 <?php endwhile; ?>


<div id="page-nav">
<div class="alignleft"><?php previous_posts_link('&laquo; Previous Entries') ?></div>
<div class="alignright"><?php next_posts_link('Next Entries &raquo;','') ?></div>
</div>
  
 
 <?php  else:  ?>
 
 <h1 class="arc-post-title">Entschuldigung, aber da können wir nichts finden.</h1>
        
        <h3 class="arc-src"><span>Versuche es erneut...</span></h3>
        <?php get_search_form(); ?><br />
        <p><a href="<?php echo home_url(); ?>" title="Browse the Home Page">&laquo; Or Return to the Home Page</a></p><br />
         
<?php endif; wp_reset_query(); ?>
 


</div>


<?php get_sidebar(); ?>
<?php get_footer(); ?>