Websnapr application

HI :) I Need an software application made in any language that runs smothly on any current version of Linux. The soul purpous of this application is to take snapshot of given pages. It needs to be able to recive an variable from an webpage. so that a user on my site would be able to register an adress. and have the application to take a snapshot of the that specific page, in diffrent sizes. ## Deliverables The programer is to program the application in such a way that installation & managment will be easy.