Here's a helpful site that allows you to search several large search engines at once for that perfect picture you're seeking. Windy's Design Studio has fee backgrounds, graphics and themes to use on web pages. The ClipArt Connection has a massive collection to choose from and many categories. Simply type in the text you'd like, and select an effect, like Zoom in, or Twist, or Collapse, or Roll Down. Barry's Clip Art Server has collections of images and animations donated by artists.
Caboodles features clip art, animated GIFs and links to more sites.
Bellsnwhistles offers animations and free graphics and links to other sites. Here is site that lets you create graphic text banners or buttons, which you can then download and use on your web site. There is a variety of colors and fonts available and the service is free. Color Picker Pro is a shareware tool to use for finding brower-safe colors. HTML Colors helps Mac users work out web-safe color schemes for their pages.