Wow...they just sent me this in response to my email about the Crackdown 2 credit:
"Hello,
I've researched this promotion, and I see your order didn't meet all of the qualifications for receiving this promotional offer. Specifically, qualifying orders must be placed between April 20, 2010 and...
DOOM Resurrection was released for $9.99. For a FPS on the iPhone it looks pretty good. I just wonder how the controls are. As always I'd wait for a drop in a few weeks since devs seem to like discounting their games after the initial hype is over.
Mass Effect Galaxy dropped to $2.99. Fast & Furious The Game is on sale for $3.99.
EDIT: The games working on 2nd gen iPod touches but not 1st gen has happened to me before. Rio Blackjack didn't work on 1st gen before but recently they updated it to work.