public function getPictureUrl()
    {
        if ($this->_sDynImageDir === null) {
            $sThisShop = $this->oxcategories__oxshopid->value;
            $this->_sDynImageDir = \OxidEsales\Eshop\Core\Registry::getConfig()->getPictureUrl(null, false, null, null, $sThisShop);
        }

        return $this->_sDynImageDir;
    }