Virtual Creditcard Account Needed Urgently

does any one know a reliable site i can create a virtual credit card instantly.i need to make some payment on the internet.i've heard of graphcard.i even have an account with then but i don't really understand how it works. please help me out. anyone!!!1

paypal

i tried registering a paypal account to nigeria but i did not find nigeria there. Do u have a soln to this problem?