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Please help me edit the code to show me the pictures category.
code of the module is categoriestop

to version 1.4


if (!defined('_CAN_LOAD_FILES_'))

class BlockCategoriesTop extends Module
   public function __construct()
       $this->name = 'blockcategoriestop';
       $this->tab = 'front_office_features';
       $this->version = '1.0';


       $this->displayName = $this->l('Categories block (top)');
       $this->description = '';

   public function install()
       return (parent::install() AND $this->registerHook('home'));

   public function hookHome($params)
       global $smarty, $cookie;

       $id_customer = (int)$params['cookie']->id_customer;
       $id_group = $id_customer ? Customer::getDefaultGroupId($id_customer) : _PS_DEFAULT_CUSTOMER_GROUP_;
       $id_lang = (int)$params['cookie']->id_lang;

       $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
       SELECT c.*, cl.*
       FROM `'._DB_PREFIX_.'category` c 
       LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON (c.`id_category` = cl.`id_category` AND `id_lang` = '.$id_lang.')
       LEFT JOIN `'._DB_PREFIX_.'category_group` cg ON (cg.`id_category` = c.`id_category`)
       WHERE level_depth = 1
       AND c.`active` = 1
       AND cg.`id_group` = '.$id_group.'
       ORDER BY c.`position` ASC');

       $smarty->assign('blockcategoriestop_categories', $result);
       return $this->display(__FILE__, 'blockcategoriestop.tpl');


   {foreach from=$blockcategoriestop_categories item=blockcategoriestop_category}

getCategoryLink($blockcategoriestop_category.id_category, $blockcategoriestop_category.link_rewrite, $cookie->id_lang )}">
getCatImageLink($category.link_rewrite, $category.id_image,'category')}" alt="{$category.name|escape:'htmlall':'UTF-8'}" />




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