Add a written description of images to make your presentation accessible to those who are blind and rely on a screen reader. For a photo, artwork, or a poster, describe the image. Guidelines for writing good alternative (ALT) text recommend no more than 125 characters. However, if you are describing a poster, include all of the poster text in the description box.
Also, you may want to write a brief article to go along with an image and include a list of references.
This could be a short article about gray tree frogs with a list of references. Gray tree frogs are very good at changing colors to camouflage themselves. There are two species of gray tree frogs…
Lyman, D. (2020, Jan 26). Cold comfort: To survive winter, animals cope in surprising ways. Boston Globe Retrieved from https://search-proquest-com.lcc.idm.oclc.org/docview/2344606617?accountid=1599
Mueller, L. (n.d.). Hyla versicolor (Gray Treefrog). Retrieved October 06, 2020, from https://animaldiversity.org/accounts/Hyla_versicolor/