WebSnapshot takes snapshots of a list web pages; it is designed to work with a large number of web pages, it creates multiple concurrent threads (max 40) so that it can capture more sites at the same time at the highest speed. It may save the full-size image or make thumbnails of user selected dimensions, that are very easy to be put on a website that describes the site (search engine, web directory, preffered links collection, etc.). you can choose between 5 image file formats to save the files : png, jpg, gif, tif and bmp.