You have been pleased with your latest efforts in your PowerPoint slide shows. 
They have added lots of photos, so that the interest of the audience is captured.
Now it is time to take it up a notch. Try adding some Artistic Picture Effects on PowerPoint Slides
More on Pictures in PowerPoint
• Compress Photos in PowerPoint 2010
• Pictures as PowerPoint 2010 Backgrounds
• Extract Pictures from PowerPoint Shows
They have added lots of photos, so that the interest of the audience is captured. Now it is time to take it up a notch. Try adding some Artistic Picture Effects on PowerPoint Slides
More on Pictures in PowerPoint
• Compress Photos in PowerPoint 2010
• Pictures as PowerPoint 2010 Backgrounds
• Extract Pictures from PowerPoint Shows
A actually fascinating read, I may nicely not agree totally,
but you do make some quite legitimate points.