Hello jakka,
You can use the information in the following FAQ to change the template in a listing that is active on eBay.
http://www.auctiva.com/help/fa...e-a-listing-templateIf the listing was not created in Auctiva first, then you would need to recreate the listing, specifically the Item Details section and then follow the instructions in the FAQ.
If you need any further assistance with your Auctiva account, please contact our Customer Support team directly from under the "Help" tab within your account and we will do our best to assist you.
-Michael