1. Open PowerPoint 2010, create a new slide, insert a picture, and choose "Desert" as shown here:
2. Change the size of the current picture and set the current picture effect for the current picture, set an "image", which selects "Full image", as shown in the figure:
3. You can also set some other effects in the picture effect, set the effect after the completion, as shown in figure:
4. For other reasons this picture no longer meets the requirements, you need to replace the picture, you can click the current tab in the "Change Picture" button, or the right mouse button on the picture to choose "Change Picture", as shown:
5. In changing the image of the interface, we choose "snow-capped mountains", as shown:
6. At this point you can see that the original picture has been replaced by a new picture, but the size and style of the picture is still retained, as shown in figure: