If you don't mind a little hassle, you can get a free $15 Gift Card For Papa Johns.

 •  Go to www.papajohns.com
 •  Click on the ad that states "want a free pizza? $15 Papa Johns giftcard" on the bottom.
 •  You should be on a trialpay.com page. Click the box that says "Only show offers that confirm instantly"
 •  Choose the offer that you like best.. 
 •  You will get an email confirming your gift after signing up. Click on the email link.
 •  Get your giftcard code and pin.
 •  Go back to the trialpay.com page and click on your account. It should show a $15 gift card.
 •  After all is done, cancel the trial offer within the trial period

 •  Really Tired, haha.