I use printkey for almost every screen capture, especially my tutorials at
www.internetmarketingcookbook.com.
it's a great utility at
http://www.freewareweb.com/cgi-bin/archive.cgi?ID=292
however, i havent found any freeware equivalent to hypersnap which captures long pages by scrolling down and capturing everything. it's at
http://www.hyperionics.com/