Two OSCommerce upgrade/tweaks (i) The OSC install has coupon contribution installed. There is a new version out of the contribution so it needs to be updated. Also in the old contribution, if the coupon was not valid or expired the system did not give an error code, you need to include that feature in the new update. Also currently the coupon system allows for % discount or $ discount. What I want is another coupon that increases the quantity. e.g, with the 10% more coupon, the customer will get 66 widget instead of 60. (ii) Our backend processor has added a new variable to allow for affiliate tracking. Essentially a referrer webpage info is captured and passed on to the processor and processor keeps track of it. So, your task is to update the coupon contribution and tweak it to add % quantity and add the variable in the processor contribution to track affiliate.