Do you ever take the perfect picture then go to edit it and realize that all your angles are out of whack? Fear no more, use the SKEW TOOL in Photoshop! Here’s a quick tutorial.
When you have your background layer selected, click Select>ALL or Ctrl/A.
Then click Edit>Transform>Skew
Then just use your mouse and drag the corners in the direction you need to in order to square up your picture and VOILA!