Hit the "Print Screen/ Sys Rq" button on your key board. This will take a Screen grab, of whats on your screen.
Ctrl+V to paste it onto a blank document in a program such as PhotoShop, or even Paint.
This should do it. 
www.stevenegan-cgi.com
"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
[long pause] "Friend!!"