In order to integrate payment by Gift Card:
Sign into your Magento Back Office.
Go to System > Configuration.
Click on SALES > Payment methods..
Click Scellius - Gift Card payment.
Enable the module via the Activation parameter.
In the Payment options section, click Add cards.
Enter the technical code provided by Scellius.
Enter the label of the gift card to add.
Click Search to load the logo of your gift card. It will be displayed during the selection of the payment method.
Save your changes.