Prices for celebrity and news photos are incredibly high (check some of them on Getty Images). Why? Because the licensing options are set for high-volume print runs or web sites. Usually, presentations are different. The audience is relatively small (rarely above 100) and most presentations are a one-off event. So, producers of news and celebrity images are missing out on the presentation design market.
Enter a new web site: slideshots.com. It is a database of AFP images with EUR 2 licensing options for use in presentations. A great alternative for over-sued and cheesy stock images. And the license looks pretty flexible, even for use online on platforms such as SlideShare.