Comment on Web Snapper

@mile - In Safari go to Preferences > Advanced > and check Show Develop menu bar, then you can send the current page to Paparazzi. Also you can drag and drop the favicon of the current site from Safari's address bar to Paparazzi's dock icon and it'll pass the site to Paparazzi.

People might also be interested in FlickScreen: http://osx.iusethis.com/app/flickscreen