Many Web site owners will gladly let you use the images on their site with an aknowledgement. It may be easier to simply include a link from your page to the page with the image you wish to use. Many applications now come bundled with clip art and clip art collections can be purchased at reasonable prices. Remember though, many other people may be using the same clip art. Your site will be by no means unique.
Stock photography falls onto the same area as clip art, but with a higher price.
Draw Simple Diagrams Simple Diagrams can be drawn in Paint Shop Pro, PaintBrush, Graphic Converter, and . There are many more complex graphics applications that can be purchased. These will take some time to master and some even to begin to create graphics. You can scan your photos and slides to include on your Web page. There is no cost involved.