Some photographers do allow you to use their images under certain conditions. Please check the copyright notice on each Web site, and obtain permission from the author of the image, if necessary, before using. Clip Art Searcher - search forms from major Internet Search Engines customized to find graphic images, especially clip art. Corel eStore Photos - Download a photo of your choice from a catalog of more than 80,000 images. Multiple resolutions and sizes are available.
Prices are reasonable.
Lycos Pictures and Sounds Search - search by keywords or by category. Yahoo Image Gallery - is a good place to look for photos. First find an appropriate category, then enter a keyword and click on the Search button. Narrowing the search by category first is important. 185,000 Free web images Instant access and unlimited downloads for 1.2 Million Clipart, Fonts, Photos and Sounds are also available.