I've changed the bestseller.php sidebox by the one showing images for every page refresh, but I dont want that the sidebox shows the products with 0,00 price (freebies).

I tried to change the code of the new php as shown below, but it has no effect at all.

What I am doing bad?

Thanks!!

In red the lines I added.
Code:
  if ($show_best_sellers == true) {
    if (isset($current_category_id) && ($current_category_id > 0)) {
      $best_sellers_query = "select distinct p.products_id, pd.products_name, p.products_ordered
                             from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd, "
                                    . TABLE_PRODUCTS_TO_CATEGORIES . " p2c, " . TABLE_CATEGORIES . " c
                             where p.products_status = '1'
                             and p.products_ordered > 0
                             and p.products_id = pd.products_id
                             and pd.language_id = '" . (int)$_SESSION['languages_id'] . "'
                             and p2c.categories_id > 3    //I don't wanna show categories 1,2,3 
                             and p.product_is_free = '0' 
                             and p.products_id = p2c.products_id
                             and p2c.categories_id = c.categories_id
                             and '" . (int)$current_category_id . "' in (c.categories_id, c.parent_id)
                             order by p.products_ordered desc, pd.products_name
                             limit " . MAX_DISPLAY_BESTSELLERS;

      $best_sellers = $db->Execute($best_sellers_query);

    } else {
      $best_sellers_query = "select distinct p.products_id, pd.products_name, p.products_ordered
                             from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd
                             where p.products_status = '1'
                             and p.products_ordered > 0
                             and p.product_is_free = '0'
                             and p.products_id = pd.products_id
                             and pd.language_id = '" . (int)$_SESSION['languages_id'] . "'
                             order by p.products_ordered desc, pd.products_name
                             limit " . MAX_DISPLAY_BESTSELLERS;

      $best_sellers = $db->Execute($best_sellers_query);
    }