They were all public domain image sourced. I touched up one image myself. But specifically here are is the image credit section:
Cover image and the image in the example of the bipedal black and white creature is adapted from an image by Rostislav Kralik. The original can be found at, https://www. publicdomainpictures.net/en/view-image.php?image=558664
Picture of dog lying down is by Yoshi Creelman
Black and white image of cat like creature as first list item of the “Possible other visuals or prompts” section is by Rostislav Kralik and can be found at, https://www. publicdomainpictures.net/en/view-image.php?image=558671
Color insect images of a bee, snail, and caterpillar for list items 2, 3, and 4 are by by terdpongvector from https://www.freepik.com/free-vector/insects-flowers-collection_933798. Black and white line art of monster saying “Hi” is by Bellinon and can be found at, https:// pixabay.com/vectors/monster-cute-animal-funny-art-4271569/
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