I think the easiest site for making quick web snapshots is thumbalizr

Comments from long ago:

Comment from: candy

I did not know that! I use a software to take a snapshots of my websites, but this is also good i bookmarked it.

2009-04-17 19-30

Comment from: Johnsons

You sometimes need to put screenshots of website on blogs. I had this requirement many times. I used probably every tool which you can google. Latest one I am using is w3snapshot.com. It is reliable, fast, high quality screenshots and above all cost me a great deal less.

2011-01-16 21-24

Comment from: Iglack

thanks! for full-page snapshots we use http://webcheck.me. Unfortunetly they dont provide IE snaps.

2012-02-16 14-29