Finding and using images online
Free, copyright friendly image collections:
Images require attribution unless indicated with NA= no attribution required
Morgue File Must change the images in some way to be NA
New York Public Library Digital Collections You can limit searches to just Public Domain images NA
Photos for Class The attribution is included on the image download
Using Google Images:
Step 1: Enter search terms
Step 2: In the results, select "Tools" and then "Usage rights."
Select a license to filter search results.
For more info, read Find images on Google that you can reuse