Have you used any of these free stock photo sites for eLearning, or do you have a go - to site that I didn't mention? (timslade.com)
A stock photo is a photograph taken by a professional photographer and sold on stock photo sites for use online and in print materials. (happyselfpublisher.com)
The stock photos sites do this for you but people often overlook this step when selling their art themselves. (theabundantartist.com)