*Free Stock Photography
(Free for commercial use, but check restrictions posted for each photo, there are exceptions.)
http://www.sxc.hu/
(All free for commercial and personal use.)
http://www.morguefile.com/
(Non-commercial use only.)
http://www.stockvault.net/
(States it’s free, no restrictions posted. All photos in vignette format - white background.)
http://www.freeclipartpictures.com
(Extensive resource for nature photos. Asks for photo credit. Includes pattern backgrounds for web sites.)
http://www.flowers.vg/
*Free Clip Art
(All free for commercial and personal use, asks you to provide a link back to them.)
http://www.webweaver.nu/clipart/
(All free for commercial and personal use.)
http://www.hasslefreeclipart.com/
(All free for commercial and personal use.)
http://www.aaaclipart.com
(Free vectored graphics.)
http://qvectors.com/
(For personal, noncommercial, and not-for-profit use only as provided in their license agreement.)
http://www.barrysclipart.com/
(States usage is free for your web site.)
http://www.freebyte.com/gallery/
(A little hard to navigate and find images but is definitely free.)
http://openclipart.org/media/view/media/clip_art
(States all free for non-commercial use, HOWEVER this is all archival/antique engravings etc. and there is no copyright infringement issue. Great site from Florida’s Educational Technology Clearinghouse.)
http://etc.usf.edu/clipart/
(All free for commercial and personal use, asks you to provide a link back to them and they provide a link code.)
http://www.ace-clipart.com
(Web buttons, banners etc. A little dated in some instances but very extensive. Includes a large selection of code for those ready to take on HTML.)
http://resources.bravenet.com
(Good background texture resource, but you have to filter through a lot of advertising to get there. Non-commercial use only.)
http://www.coolarchive.com/textures
*Free Sound Effects
http://www.partnersinrhyme.com
For Purchase
(Best and cheapest resource for clip art, photos and fonts.)
http://store.doverpublications.com/by-subject-clip-art-and-design-on-cd-rom.html
(Huge library of fonts and photos; great to browse just for ideas; something for every budget.)
http://www.veer.com/products/illustration/
*Note: Always read the License Agreement and comply with the previsions set forth. If in doubt? Don't use it. There's plenty of stuff out there.