Snapfish.com is having a special deal right now: 50 photograph prints for only $0.50. Total. Only 1 cent per photograph! (Each additional photograph is only $0.09.)
Just type in FALLPENNY08 at checkout.
Maybe slip some photos in with your thank-you cards (or use a photo as the thank-you card; you can stick a stamp on a photo and mail it as is).
Or maybe send them as Save the Dates or with the invitations.
The offer lasts until Saturday.