Screengrab! for Firefox
Screengrab! is an extension for Firefox that makes it easy to save a web-page as an image. With it, you can save anything that you can see in a browser window - from a small selection, to a complete page.
Oh yes! Its a real life saver for deisgners to share the whole page (as shown in the browser) with team mates or even with clients. I am Loving it ;)!
The new release 0.93 has NO java requirement and is FAST! go and checkout Screengrab! at Screengrab! new website.