http://www.grsites.com/textures/ -Has 4000+ background textures for websites and PowerPoint design
http://mediabuilder.com/ - Tileable backgrounds and animations for websites.
http://presentations.animfactory.com/ - PowerPoint backgrounds
http://pro.corbis.com/ -Image database commercial free purchasing available.
http://www.photosphere.com -Stock photo outlet for purchasing Royalty-Free images.
http://www.freefoto.com/index.jsp -Free Photos organized by category *personal non-commercial use..
http://www.im-visions.com -Royalty-Free Free noncommercial use images Username:Shen Password:123456
http://www.freeimages.co.uk/ - Free stock photos
http://www.bigfoto.com/ -Free Stock Photos geared towards travel, but does have other miscellaneous images.