Previously we listed 5 Sources for Free Good Quality Images
iStockphoto
One dollar for low-resolution images and two-three dollars for higher-resolution images.
Dreams Time
About one dollar for high-resolution images for members.
Fotolia
One or two bucks an image.
Shutterstock
750 royalty-free downloads per month for $139 (US) subscription.
Getty
Value-priced royalty free collections.
UPDATE 7/25/07: A 6th source is
Dreamstime
Low prices for royalty-free stock photography.