Size +: Increases your image size by 5% each time you click.

SuperSample: If you are making your image larger and want to print it, enabling this checkbox will increase the resolution and make the final image sharper. However, when enabled, the size of your image when saved will be much larger. You should only use this option if you plan to print your images.

Crop: Click and drag out a square over the portion of the image you want to keep. Click the OK button and the parts of the image you don't want are removed.

Rotate Quarter Turn Left: Rotates your image 90 degrees counter-clockwise.

Rotate Quarter Turn Right: Rotates your image 90 degrees clockwise.

Rotate Custom: A grid appears on top of your image which you can rotate and move with the mouse. When you've lined up the image the way you want, click the OK button to rotate your image by exactly the amount you want.

Flip Up and Down: Flips your image upside-down.

Flip Sideways: Flips your image left-right.