To access to the collection, where you can find all stamps, click on COLLECTION. Not every stamp is present, every help is welcome! If you register yourself, you can mark the stamp you have, so you can collect and change them with other users!
Tool for Google and Webmasters
Do you own a home page or an iGoogle account? Try this gadget, it will show a different stamp on your page or on your iGoogle every 2 hours.