How to set Use movie backgrounds image as a slide background?
- Click the slide that you want to add a background picture to.
To select multiple slides, click a slide, and then press and hold CTRL while you click the other slides.
On the Design tab, in the Background group, click Background Styles, and then click Format Background.
- Click Fill, and then click Picture or texture fill.
- To insert a picture from a file, click File, and then locate and double-click the picture that you want to insert.
To paste a picture that you copied, click Clipboard.