Mals gives you the option to create coupons that apply only to certain products. These coupons require the use of the "scode" variable in the Mals cart.
The Create A Shoppe system uses that variable already, to decrement inventory and store order details. It passes information such as the item ID, the wholesale ID (if an item is ordered by a wholesale vendor), and the registrant ID (if the order came from a registry), separated by dashes.
But you can still use that information in the product discounting in Mals:
Find the product ID for the item that will be discounted. This is found in the link. (Preview a product on your website) For instance, a link:
refers to the product with an ID of 34.
In Mals, select the 'Discount coupons' from the 'Discounts' tab under 'Cart setup'.
Under "The discount is applied if the order contains a product with an SKU (scode)...", select "Begins with *", and then enter the product ID (from step 5) - along with a dash - into the SKU (scode) field.
ie.) In the above example, you would add "34-" (without the quotes).
Add the rest of the coupon as desired.