Key Features
Screenshots capture from any remote desktop in the local network with immediate on-screen preview.
Stealth and invisible screenshot capture mechanism. Remote user can't detect the fact that his desktop is observed.
Optimized data-transfer mechanism. Screenshots capture and transmission takes just a split second.
Two modes of operation: screenshot taking by pressing a button or automatic capture process after a specified interval.
Getting full-sized screenshots with maximum resolution and captured mouse pointer.
Automatic archiving of captured screenshots on the hard disk as JPEG files with customized compression.
No specific requirements. To take a remote screenshots you just need to have an administrative access to remote PCs

Home Page: http://emcosoftware.com/remote-screenshot