You should be able to use an if statement.
Code:
{if $current_category.categoryid eq 1}
Display Car Pic
{elseif $current_category.categoryid eq 1}
Display Motorcycle Pic
{else}
Normal Pic
{/if}
__________________
Alltribes.com
Native American Jewelry
Pottery, Baskets, Kachinas & More
X-cart Gold Version 4.0.17 Live
PHP 5.2.6
MySQL 4.1.25
(mt)