Offering PPC Vouchers

I've seen a lot of big name hosts offering PPC vouchers with new plans. Does anyone know how to go about setting this up? I've been searching for over an hour to no avail.
Any help would be appreciated.
Mike





__________________Influix Technologies
Web Hosting, Design

do you mean like google adword voucher?

Well I know Google Adwords vouchers are only available to Google Professional members, but what about AdCenter?





__________________Influix Technologies
Web Hosting, Design