System for stock images peer-to-peer services over the world wide web

The method and system which trade in the distributed digital contents are offered through the Internet. A system includes the picture publisher having a picture repository and an issue module, the picture buyer having a picture improvement module, and a system service center equipped with a Web server, a picture attribute database, a search module, a claim module, and an adjustment control module. A picture supplier opens the thumbnail showing a picture to the website of service. A picture buyer searches a picture, chooses the thumbnail which satisfies an own demand, and gets a temporary direct communication link from service to a supplier's picture repository. Thereby, a buyer considers and improves the display of the low resolution of the selected thumbnail, embeds at a page layout, and gets the choice which checks a part of quality of the picture of high resolution. A buyer makes payment through the claim module of service. A buyer obtains the graphics file of high resolution directly from a supplier's repository.