Found this in my PPC-Coupons.txt file (copied from somewhere, most likely):
1.) Make a Facebook account if you have not done so already.
2.) Go to the search bar and type "visa" and click enter.
3.) Click the applications tab in the middle of the screen.
4.) Click "The Visa Business Network"
5.) Click the "Application" button on the right side.
6.) Then Allow the Visa Business Network to view your profile.
7.) Fill out the small form with a correct email address.
8.) Check your email, and click on the second link.
9.) At the top bar by Ads Manager click "Billing"
10.) Next to billing summary click "Funding Sources"
11.)Click "Enter Coupon Code" at the right of the page.
12.) Enter the code that came in the email Facebook sent you.
-you now have $100 credit
For anyone having trouble with the visa credit.