// This theme uses post thumbnails
      add_theme_support( 'post-thumbnails' );
      set_post_thumbnail_size( 180, 180 ); // default Post Thumbnail dimensions   
      add_image_size( 'dt-l-thumb', 700, 9999, false ); // Large Post Thumbnail
      add_image_size( 'dt-m-thumb', 460, 9999, false ); // Medium Post Thumbnail
      add_image_size( 'dt-s-thumb', 220, 9999, false ); // Small Post Thumbnail

<?php
/**
 * @package WordPress
 * @subpackage Chocolate
 */

/* Set the content width based on the theme's design and stylesheet. */
if ( ! isset( $content_width ) )
   $content_width = 700;

/* Set up theme defaults and registers support for various WordPress features. */
if ( ! function_exists( 'dt_setup' ) ):

   function include_files_in_dir($dir, $no_more=FALSE)
   {
      $dir_init = $dir;
      $dir = dirname(__FILE__).$dir;
     
      if (!file_exists($dir))
         throw new Exception("Folder $dir does not exist");
         
      $files = array();
         
      if ($handle = opendir( $dir )) {
          while (false !== ($file = @readdir($handle))) {
              if ( is_dir( $dir.$file ) && !preg_match('/^\./', $file) && !$no_more )
              {
                 include_files_in_dir($dir_init.$file."/", TRUE);
              }
              else
              {
                 if ( preg_match('/^[^~]{1}.*\.php$/', $file) ) {
                     $files[] = $dir.$file;
                 }
              }
          }
          @closedir($handle);
      }     
     
      sort($files);
     
      foreach ($files as $file)
         include_once $file;
   }

   function dt_setup() {
      // This theme uses post thumbnails
      add_theme_support( 'post-thumbnails' );
      set_post_thumbnail_size( 180, 180 ); // default Post Thumbnail dimensions   
      add_image_size( 'dt-l-thumb', 700, 9999, false ); // Large Post Thumbnail
      add_image_size( 'dt-m-thumb', 460, 9999, false ); // Medium Post Thumbnail
      add_image_size( 'dt-s-thumb', 220, 9999, false ); // Small Post Thumbnail

      // This theme styles the visual editor with editor-style.css to match the theme style.
      add_editor_style();

      // Add default posts and comments RSS feed links to head
      add_theme_support( 'automatic-feed-links' );

      // Make theme available for translation
      // Translations can be filed in the /languages/ directory
      load_theme_textdomain( 'dt', TEMPLATEPATH . '/languages' );
      $locale = get_locale();
      $locale_file = TEMPLATEPATH . "/languages/$locale.php";
      if ( is_readable( $locale_file ) )
         require_once( $locale_file );

      // This theme uses wp_nav_menu() in one location.
      add_theme_support('nav_menus');
      register_nav_menus( array(
         'primary' => __( 'Primary Navigation', 'dt' ),
      ) );
   
      // Include functions/*.php
      include_files_in_dir("/functions/");

      // Include settings/*.php
      include_files_in_dir("/settings/");
      
      // Include plugins/*/*.php
      include_files_in_dir("/plugins/");
   }
   
endif;

add_action( 'init', 'dt_setup' );
add_action( 'after_setup_theme', 'dt_setup' );

if( !is_admin() ){
   wp_deregister_script('jquery');
   wp_register_script('jquery', ("https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"), false, '1.6.1');
   wp_enqueue_script('jquery');
}

include( TEMPLATEPATH . '/dt-pagenavi.php')
?>

<?php

global $postgallery;
$show = $postgallery->get_post_option('show');
$arr = $postgallery->get_post_option('show_'.$show);
$arr = explode(",", $arr);
$arr = (array)$arr;

//echo $show; print_r($arr);

//$myterms = get_terms('dt_gallery_cat');
$myterms = apply_filters( 'taxonomy-images-get-terms', '', array('taxonomy'=> 'dt_gallery_cat'));

$images = array();

global $term, $h;

foreach ($myterms as $term)
{

   if ($show == "all")
   {
   
   }
   elseif ($show == "only")
   {
      if ( !in_array( $term->term_id, $arr ) )
         continue;
   }
   elseif ($show == "except")
   {
      if ( in_array( $term->term_id, $arr ) )
         continue;
   }
   
   //echo "???";
   
   $term->pic = wp_get_attachment_image_src( $term->image_id, 'large' );
   
   $term->pic = default_attachment($term->pic);
   
   if (!$term->pic[0]) continue;
   
   $k = $term->pic[1] / $term->pic[2];
   
   
   $term->pic = $term->pic[0];
   
   $size = taxonomy_get_size( $term->term_id );
   if ($size == "s")
      $w = 220;
   if ($size == "m")
      $w = 460;
   if ($size == "l")
      $w = 700;
     
   $h = ceil($w / $k);
   
   $term->pic = str_replace(site_url(), "", $term->pic);
   $term->pic = get_template_directory_uri().'/thumb.php?src='.$term->pic.'&amp;w='.$w.'&amp;h='.$h.'&amp;zc=1';
   
   query_posts("dt_gallery_cat=".$term->slug);
   
   while ( have_posts() ) : the_post();
       global $postoptions_photos;
       $size_orig_image = $orig_image = default_attachment( wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'large' ) );
       
       if (!$orig_image[0]) continue;
       
       $k = $orig_image[1] / $orig_image[2];
       $orig_image = $orig_image[0];
       
       $size = $postoptions_photos->get_post_option('post_size');
      if ($size == "s")
         $w = 220;
      if ($size == "m")
         $w = 460;
      if ($size == "l")
         $w = 700;
       
       //$w = 220;
       
       $h = ceil($w / $k);
       
       $orig_image = str_replace(site_url(), "", $orig_image);
       $small_image = get_template_directory_uri().'/thumb.php?src='.$orig_image.'&amp;w=102&amp;h=62&amp;zc=1';
       //$big_image = get_template_directory_uri().'/thumb.php?src='.$orig_image.'&amp;w=800&amp;h=&amp;zc=1&amp;nores=1';
       $big_image = $orig_image;
       
       $images[] = array(
          "size_orig_image" => $size_orig_image,
          "big_image" => $big_image,
          "small_image" => $small_image,
          "size" => $size,
          "title" => get_the_title(),
          "h" => $h,
          "w" => $w,
       );
       
   endwhile;
}

?>

<ul id="big-image">
<?php
   $reverse = $images;
   $reverse = array_reverse($reverse);
   foreach ($reverse as $image)
   {
   ?>
      <li><img src="<?php echo $image['big_image']; ?>" alt="<?php echo $image['size_orig_image'][1]; ?>|<?php echo $image['size_orig_image'][2]; ?>" title="" /></li>
   <?php
   }
?>
</ul>

<div id="big-mask"></div>

<div id="slider">
  <div>
    <ul>
      <?php
         foreach ($images as $image)
         {
         ?>
            <li><a href="#"><img src="<?php echo $image['small_image']; ?>" width="102" height="62" alt="" /><i></i></a></li>
         <?php
         }
      ?>
    </ul>
  </div>
</div>

<div id="slider_controls">
  <div>
    <ul>
      <li><a href="#"><img src="<?php echo $images[0]['small_image']; ?>" alt="" width="102" height="62" /></a></li>
    </ul>
    <a href="#" id="control_play"></a>
    <a href="#" id="control_pause"></a>
    <a href="#" id="control_f"></a>
    <a href="#" id="control_b"></a>
  </div>
</div>

Koristi Wordpress funkcije za prikaz thumbova, ne timthumb.

http://codex.wordpress.org/Post_Thumbnails