Just share my list :)

http://www.zuadobank.com
http://www.istockphoto.com
http://www.freefoto.com
http://www.freeimages.co.uk/
http://www.shawnsclipart.com/happeninfamily.html
http://stock.briony.cc/site/index.php
http://office.Mcft.com/clipart/default.aspx
http://orangetrash.d2.hu/
http://www.photolib.noaa.gov/
http://www.freestockphotos.com/
http://www.farmphoto.com/

http://www.sxc.hu
http://www.dieblen.de/
http://www.freeimages.co.uk/
http://www.mediaphoto.com.br/index.php?leng=eng
http://gallery.hd.org/index.jsp
http://gallery.yahoo.com/
http://www.photolibrary.fema.gov/
http://www.nasa.gov/multimedia/imagegallery/index.html
http://www.visipix.com/
http://photobox.ru/
http://www.photocase.de/
http://www.morguefile.com/
http://www.pixelperfectdigital.com/
http://www.imageafter.com/
http://kepek.creart.hu/index.php?oldal=1&kat=1&nyelv=en
http://www.freemediagoo.com/
http://stock.kriegsnet.com/
http://unprofound.com/pix/
http://www.niblack.org/imagebase/
http://aarinfreephoto.com/
http://blackat9.tripod.com/
http://www.freefoto.com/index.jsp
http://www.photos.external.lmco.com/
http://www.im-visions.com/
http://www.stock.b-man.dk/
http://www.photo.net/stock/
http://www.istockphoto.com
http://www.photolib.noaa.gov/
http://www.dotdragnet.co.uk/noflash.asp?action=0&cat=35
http://orangetrash.d2.hu/
http://www.digitaleden.de/
http://www.photocase.de/Default.asp
http://www.gettyimages.com
http://stock.briony.cc
http://www.ironorchid.com/clipart/
http://www.squiver.com
http://imagegrabber.randomeye.com/
http://www.dubtastic.com/resources.html
http://www.steeldolphin.com/
http://www.carbonfour.com/downloads/
http://www.stridingstudio.com/resources/
http://www.istockphoto.com
http://www.freefoto.com
http://www.pictor.com
http://www.imagebank.com
http://www.ditto.com
http://www.twistedlens.com
http://www.bciusa.com
http://www.visipix.com
http://www.photo.net
http://www.webshots.com
http://www.gograph.com
http://www.freestockphotos.com
http://www.photonica.com
http://www.freeimages.co.uk
http://www.archivephotos.com
http://www.pro-visions.com
http://www.snap-shot.com
http://www.freemediaarchive.com
http://www.zing.com
http://www.free-image.net/
http://www.istockphoto.com/
http://www.imagebank.com/
http://www.morguefile.com
http://www.ppdigital.com
http://geekphilosopher.com/MainPage/photos.htm
http://gimp-savvy.com/PHOTO-ARCHIVE/
http://www.getthepixel.com
http://www.juniah.com/
http://www.geekphilosopher.com/
http://www.morguefile.com
http://www.imageafter.com
http://www.getthepixel.com
http://www.openphoto.net
http://kepek.creart.hu
http://www.freemediagoo.com
http://stock.kriegsnet.com
http://www.geekphilosopher.com
http://www.pixelperfectdigital.com
http://www.unprofound.com/pix
http://www.niblack.org/imagebase
http://www.stock.b-man.dk/
http://www.stock-photo.pl/
http://www.deviantart.com
http://www.imagebank.com/
http://www.imageblowout.com
http://www.freenaturephotos.com
http://www.freephotosbank.com
http://www.dreamstime.com/
http://www.shutterstock.com/gallery.mhtml
http://www.artzooks.com/
http://www.alamy.com/default.asp