Additional items on receipt page

I have my sandbox issues working now, but I want to add more lines/items to the receipt. I’ve found how I can do some of this from the template file that I’ve copied from default.php.

I want to list the item(s) they purchased. Any thoughts on how to test for multiple items and capture those since items aren’t fed back to us in an array?

http://wordpress.org/plugins/simple-cart-buy-now/