This is the steps needed to add credit to your skype account as a nigerian
ist login to your skype accont

choose the amount you want to purchase click on continue for it to be converted

when the payment window opens it will ask for your cashu user information

now close the window and open
https://www.cashu.com/CLogin/registersForm?lang=en register and credit it with your master card by
choosing master card from the list then use you gt bank master card. here is a sample page on how to activate your gt bank master card

checkout and close the window.
Now lunch your skpe application put in your login details and click on login

click on contacts---->> new -->>> type a name or country to filter the contacts you wanna add