1. A set comprising plurality of transaction cards, each of the transaction card having same unique user ID for coordinating access to digital image files, each of the transaction cards comprising: 1) a support sheet upon which is printed an event URL identifying a network photoservice provider, the unique user ID, a different human readable password associated with the unique user ID, a share memory image storage location located at said network photoservice provider for sharing images among a plurality of users without the need for any of the users having to notify any of the other of said users; b) a removable label adhered to the support sheet over the password for obscuring the password, and including a visible, non-human readable, encoded version of the password printed thereon; and c) a magnetic stripe disposed thereon, the stripe having recorded thereon the event URL, the unique user ID and the associated different password.