I just decided to publish this list of Free Stock Photography Websites. Please keep in mind that each one of them has a different term of use.

http://www.sxc.hu/
http://www.morguefile.com/
http://www.imageafter.com/
http://www.freephotosbank.com/
http://openphoto.net/
http://www.bigfoto.com/
http://www.usda.gov/oc/photo/opclibra.htm
http://nix.nasa.gov/
http://www.photolib.noaa.gov/
http://www.nps.gov/yell/press/images/
http://earth.jsc.nasa.gov/sseop/efs/
http://www.fws.gov/pictures/
http://images.fws.gov/
http://www.picturestation.net/start/
http://geekphilosopher.com/MainPage/photos.htm
http://www.freeimages.co.uk/
http://www.pixelperfectdigital.com/index.php
http://www.freefoto.com/index.jsp
http://davidniblack.com/imagebase/
http://www.cepolina.com/freephoto/
http://amazingtextures.com/textures/index.php
http://www.texturewarehouse.com/gallery/index.php
http://pdphoto.org/
http://imageblowout.com/xoops/
http://www.piotrpix.info/
http://mandragora.ex.lv/resources.htm
http://www.fotogenika.net/modifica/igallery.asp
http://www.mayang.com/textures/
http://www.freephotostation.com/
http://cromavista.ricardomartin.info/
http://www.afflict.net/
http://www.creativity103.com/
http://www.pyed.net/eye/
http://aarinfreephoto.com/
http://www.stockvault.net/
http://www.designpacks.com/
http://www.unprofound.com/
http://www.fourbees.com/fourbees/phoelm.asp
http://www.insectimages.org/
http://www.freemediagoo.com/
http://www.freemediagoo.com/
http://www.adigitaldreamer.com/freestock/freestockphotos.htm
http://freestockphotos.com/
http://www.freewebpics.de/
http://www.lightmatter.net/gallery/
http://majesticimagery.com/
http://www.tripalbum.net/
http://www.demmy.nl/fotostock_0001.html
http://www.twicepix.net/imgdatabase/
http://www.aboutpixel.de/
http://www.woophy.com/
http://www.pixelquelle.de/
http://www.litetek.net/backgrounds/
http://pix.halal.dk/
http://tofz.org/
http://www.fontplay.com/freephotos/
http://orangetrash.d2.hu/index2.html
http://www.artfavor.com/types.php?type=12
http://www.imagetemple.com/
http://www.logodesignweb.com/stockphoto/
http://www.fotodatenbank.com/
http://www.bajstock.com/
http://www.pixelbag.de/
http://www.nwyhstockimages.com/default.aspx
http://photo.itc.nps.gov/storage/images/
http://www.deviantart.com/
http://www.photocase.com/Default.asp
http://www.gimp-savvy.com/PHOTO-ARCHIVE/index.html
http://www.corbis.com/

If you want to copy this list and post it on the internet as is, you are required by copyright to note the source and to give a link back to this page.