I would probably be a hard job to get those credited, since it was an on-line promotions, which most agents probably were't aware of. I sent the link to a frined of mine, usually well informed on price and promotions, and she said she wasn't aware of that and thanked me for the link.
I printed the confirmation e-mail (that doesn't have client ID or account number on it), I could look if I still have it and sent it to you if you want
You had 90 days after you signed up to purchase those movies...if you purchased after that date it's normal you didn't get the credit