We’ll work with two pictures: A colored one that becomes the slide’s background and a black and white version that floats on top of the slide. Your viewers will see the black and white ...

For your convenience, you can download the demonstration .pptx and .ppt files (although ... add the text BIG NEWS to a PowerPoint slide with a black or dark background, so the stars show well.

In addition to adding items to your slide, you may also change the background of a slide to a preformatted design or to an image of your own, such as a GIF (Graphics Interchange Format).