Another option you have in the Move menu is to rotate the layer. You can rotate the layer 180 degrees or 90 degrees to the right or left. Besides accessing these in the Move Tool settings menu, you can also get to these tools in the main Edit menu at the top of your screen no matter what tool you have selected. You can also rotate your images with the help of the Transform option. First select Command + F to enter the transform mode. Then move your cursor to just outside of the corner of the image to see the cursor icon change to a curved arrow. Now just drag the mouse to rotate the image to any angle. Also if you hold down the Shift key while rotating, it will rotate in five degree increments.
Sometimes you will need to