I was made aware that the webstore was not working for International Customers. This was very unfortunate, and I am working on this problem right now but this may take awhile to fix. In the mean time I have created a Paypal order form on the store page for out international customers and for US customers that want to use Paypal models. I hope this helps you guys.
Paymaster Games International order issues
Paymaster Games have been having issues processing international orders from their online store. From their announcement: