We’re not sure whether it’s worth it in terms of cost, but here’s a way to print your own gigantic photograph posters using your ordinary photo printer. Easy Poster Printer is a free program by GD Software that automatically prints out a poster of any size (maximum is 20×20 meters) in individual pieces using your photo printer.
Obviously you could do the same thing using an ordinary program like Photoshop, but this program takes all the work out of the process, doing all the slicing and printing for you. The 6MB program is for Windows only (sorry Mac people!) and can be downloaded by
clicking here [Update: the program is no longer available].