Best of Clipart
Features a free archive of original clipart images and a directory of clipart websites.
http://www.best-of-clipart.com/

Internet Clipart.Com
The place to go on the internet when you are looking for professional quality graphics for website building. The clipart is theme specific, with catagories for Real Estate, Fishing, Golfing, Sports, Medical, Law, Finance, and so much more.
http://www.internetclipart.com/