The fine folks at Small Business Web Designs in Australia put together a very helpful list of 50 Top Rated Websites for Royalty Free Stock Images, like Path to the Sea by Paul Jarvis on Life of Pix.
They do inlcude this caveat:
Quick Note About Licenses: Some photos may in some cases require attribution. We've exhausted ourselves in identifying where this may be the case, and we advise you to read the image details before using. With that disclaimer out of the way, let's dive into our top picks for free stock photos!
• The 50 Best Websites on the Internet For Breathtaking, Royalty Free Stock Images for Commercial Use (Small Business Web Designs)