There are a few ways to change pictures on an Echo Show:1. Use the Echo Show's built-in camera. To change pictures, just point the camera at the desired picture and press the \\"change picture\\" button.2. Use an external camera. If you have an external camera, you can shoot photos and videos using the camera. To change pictures, just point the camera at the desired picture and press the \\"change picture\\" button.3. Use a computer. If you have a computer, you can change pictures using the computer. To change pictures, just point the camera at the desired picture and press the \\"change picture\\" button.