In addition to free graphic images and photos, many stock photo websites are filled with advice on using their photos, as well as hints on what makes a photo have a dramatic impact. It's now so easy to use free stock photos that you might be tempted to just start downloading away.
But, spend a few minutes searching through the written articles on the site. Just like photos, you can often search by subject category. Then, you'll get free advice on stock photos from professional designers, marketing experts and the photographers themselves.
If you take some of this advice into consideration, you'll choose better photos for your particular use and you may even pick up some tips for how to take better photos yourself.