A server includes: a first image DB that stores a first image; a second image DB that stores a second image having a file format different from the first image; and an image distributor for distributing, in response to an image display request from a user terminal (20), the first and second images corresponding...http://www.google.ca/patents/US20060066510?utm_source=gb-gplus-sharePatent US20060066510 - Image display system, image display method and image display program
