1. A system that generates and transmits digital images to an end user over a communication network, the system comprising: a dynamic imaging server that creates a dynamically generated image including a least one dynamic image feature; and a network appliance including a display device and a user interface that allows a user to generate image requests including a zoom-and-pan command; and wherein the dynamic image server modifies the dynamically generated image in response to the zoom-and-pan command to create a modified image.