Edit: Just to clarify, this credit can be used on anything sold on PSN, including games. You dont need to use it on Movies or video side of PSN.
Edit2: Appears to be only for pre-existing accounts, So dont bother making new accounts to stack AND Limited quantity of voucher codes. While supplies last.
Del primer post.
De todas formas, dos avisos: Aunque os manden un email a la cuenta europea... Olvidaos de canjearlo en la Store Europea. Ya sabeis que los codigos son region locked.