Fotolia

Fotolia is the first worldwide social marketplace for royalty free
stock images, allowing individuals and professionals to legally buy and
share stock images and illustrations.  Fotolia offers the largest image bank of free and affordable royalty
free photos and illustrations perfect for any medium, web or print.  Photographers and designers constantly update Fotolia with thousands
of new photos and illustrations each day, while photographers and
designers receive commission from each photo sold and revenue from
advertising on the free section.