Are you obsessed with taking photos using the built-in screenshot utility (or by pressing command + 3/4)? Chances are you might have a ton of files left over on your desktop after a long screenshot session.
If you don't need the files piling up on your desktop and just want to paste a picture somewhere, pressing Control + Command + Shift + 3 for a full screenshot (or 4 for cross hair selection tool).
The screenshots will be copied to the clipboard where you can paste them into a document.
Want more tips and tricks like this? Visit TUAW's Mac 101 section today!