Change the size of your desktop icons in a flash. Now this may seen obvious to all trackpad users who merely have to pinch in to increase and pinch out to decrease the size of the icons on their desktop. However for desktop users, the process is a little different.
1. Go to your desktop.
2. Right click and click "Show View Options" or simply press "Command-J"
3. Now change the icon sizes by dragging the slider left and right.