Imagine this scenario: you chose what you thought was a perfect picture. So you inserted the picture, and then enhance it using the cool picture editing options available in PowerPoint. And then, you discover a better picture, or your boss asked you to use another picture. You also need to retain all the effects and animations! You could delete the original picture and start all over again, and yes, that is a long process! Or, you can change any existing picture into another with just a couple of clicks. Explore more in the following tutorials – select the one that matches your PowerPoint version:
Change Picture in PowerPoint 2010
Change Picture in PowerPoint 2011