Do you see the theme in the Themes gallery (Design tab)? First make the slide
current. Then, instead of clicking the theme, right-click the theme's box and
choose Apply to Selected Slides.
Ellen
www.ellenfinkelstein.com
Author of How to Do Everything with PowerPoint 2007
> I am using powerpoint 2007 and I downloaded two themes from the microsoft
> office site. When I want to apply a downloaded theme to just one slide in my
> presentation, It does not work, all of the slides are changed to that theme
> instead of one. How do I apply a downloaded theme to just one slide on my
> presentation?