27 Royalty-free photography and stock image sites
Ruth Clark will say that any image you use in a learning activity needs to be relevant to the subject matter and should enhance the learning experience. We also know, in practical terms, that some stock imagery can be expensive when you’re really trying to manage the development budget.
When dollars are tight or when you want to support open resources, have a look at the sites listed in this post.
As always, be sure to give credit for the image where it is due.
Thanks to the folks at The Verve for pulling this list together.