IcyScreen can take screenshots -- "snapshots" of your computer screen, also known as screen captures -- as often as you'd like, and not only save them to disk, but also e-mail them and upload them to your web server (via FTP) and ImageShack account.
Price: $29.95, Rating: 9, Downloads: 103
Download
Yascu - Yet Another Screen Capture Utility - handy screenshot taking tool in a tiny Windows XP/Vista standalone EXE file
Price: $0.00, Rating: 0, Downloads: 102
Download
Odin Screenshot Expert is a full-featured screen capture tool that allows you to easily capture and annotate anything on the screen including windows, objects, menus, full screen, rectangular/freehand regions and even scrolling windows/web pages.
Price: $15.95, Rating: 8, Downloads: 93
Download 
Download Growler Gun Cam 3.2.6.0