Seems like there is something wrong with the email parser that you have setup in AWeber. It should not add the “from email address” to the list. When setup correctly it Adds the name and email of the customer to the specified Aweber list. Can you please make sure you have setup the parser exactly as it is explained here?
I am in the process of adding a complex coupon system which will allow you to configure coupons that you have asked for.
I don’t have a package deal for the eMember and Affiliate plugins but i am sure we can work something out when you are ready to purchase