I'm still unclear on the difference between "My Discount Codes" and "My Wallet" on the AS website.
I would have thought that the $25 certificate (labeled as CUSTOMER CARE $25 SR E-CERT) I got when the fare dropped would have been something to add to "My Wallet," but it actually got deposited in "My Discount Codes."
(On that note, it looks like they are now usable online, which means that you don't need to call and pay the $10 phone fee to use them!)
Also, when I first attempted to add it to "My Wallet," it warned me that certificates deposited in "My Wallet" would no longer be available for use outside of the wallet. I don't like the sound of that...