olszakmike

<?php
/*
Template Name: portfolio
*/
?></strong>

and added the other code you posted as well. This is how my code looks now.

<?php
/*
Template Name: portfolio
*/
?>

<?php get_header(); ?>
<?php $options = get_option('pb_options'); ?>

  <div id="middle-contents" class="clearfix">

   <div id="left-col">

<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>

    <div class="post" id="single">
     <h2><?php the_title(); ?></h2>
     <ul class="post-info">
      <?php if ($options['author']) : ?><li><?php _e('By ','piano-black'); ?><?php the_author_posts_link(); ?></li><?php endif; ?>
      <?php edit_post_link(__('[ EDIT ]', 'piano-black'), '<li class="post-edit">', '</li>' ); ?>
     </ul>
     <div class="post-content">
       <?php the_content(__('Read more', 'piano-black')); ?>
       <?php wp_link_pages(); ?>
     </div>
    </div>

<?php endwhile; else: ?>
    <div class="post-content">
      <p><?php _e("Sorry, but you are looking for something that isn't here.","piano-black"); ?></p>
    </div>
<?php endif; ?>

<?php if (function_exists('wp_list_comments')) { comments_template('', true); } else { comments_template(); } ?>

   </div><!-- #left-col end -->

   <?php get_sidebar(); ?>

  </div><!-- #middle-contents end -->

<?php get_footer(); ?>

<?php
// query posts to get only posts with portfolio category assigned
query_posts('cat=10'); //example ID for category "portfolio"
?>
<?php while (have_posts()) : the_post(); ?><!-- begin of loop -->
<?php
$args = array('post_parent' => $post->ID,
               'post_status' => 'inherit',
               'post_type' => 'attachment',
               'post_mime_type' => 'image',
               'order' => 'ASC',
               'orderby' => 'menu_order ID' );

$images = get_children($args);
if(!empty($images)){
foreach( $images as $image ) {
$img = wp_get_attachment_image($image->ID, $size='thumbnail', $icon = false);
echo $img;
}
}
?>
<?php endwhile ?><!-- end of loop -->