Upgraded. I hope my contribution can be of help to you.
What would be nice was a yearly recurring payment option.
This is also something we may add if other users are interested.
Will love to help out, I just had one questions, what are these Request Credits? This is the first I have heard of them, and how do they work. I don't see these credits anywhere in my account, do you need a certain amount of credits each time you download a trainer or something?
The request system is used to determine which games get trainers. More info here as well as your current balance.
Link