Create a Watermark on PowerPoint 2007 Slides

From Wendy Russell, former About.com Guide

ClipArt or Pictures for Watermarks

While still in the slide master -

1. Click on the Insert tab of the ribbon.
2. Select an option from the Illustrations section of the ribbon, such as ClipArt or Picture

• Show a Faded Picture in the Background of PowerPoint 2007 Slides
• Insert the ClipArt or Picture on the Slide Master for the Watermark
• Locate the ClipArt or Picture for the Watermark
• Move and Resize the Watermark ClipArt or Picture
• Format the Picture for a Watermark
• Fade the Picture for the Watermark
• Adjust the Color Brightness and Contrast of the Watermark
• Send the Watermark to the Back on the Slide Master