Разный размер картинок в списке товаров и в карточке товара - [VM1] Дизайн, оформление

<?php echo $product_image ?><br/><br/><?php echo $this->vmlistAdditionalImages( $product_id, $images )?></td>

<?php
$thumb_width=500;
$thumb_height=300;
$thumb='<img src="components/com_virtuemart/show_image_in_imgtag.php?filename='.$product_full_image.'&newxsize='.$thumb_width.'&newysize='.$thumb_height.'" />';
$product_thumb = preg_replace('/<img [^>]+>/',$thumb,$product_image);
echo $product_thumb;
?><br/><br/><?php echo $this->vmlistAdditionalImages( $product_id, $images )?></td>