1. A method of providing a secure transfer of an image over a network from server to client, comprising: selectively transferring from a server to a client a low resolution version of an image stored in a data repository; mapping the image to determine a mapping template related to portions of said image; and determining from said mapping template one or more portions of said image selected by action of a user at said client; and transferring said selected portions of said image from said server to said client.