Never assume an image does not require attribution. If you’re going to include an image, create your own or find images that are labeled for reuse.
You must check the re-use restrictions on each image you find. You can use advanced settings in Google, Flickr, Bing, or Yahoo to filter by license. Or, you can search the sites below. These are my go-to sites when putting together presentations. You’ll notice, I have a tendency toward health related images. Dig in!

- OSU Digital Storytelling
- The Ohio State University Brand Guidelines
- Pixabay
- Unsplash
- MorgueFile
- Creative Commons Search
- NCI Visuals Online
- NIH Photo Galleries
*Update* Check out this amazing roundup of image sites by Adobe Spark:
25 Sites for Images & Videos You’ll Actually Want to Use