Fair Use provisions can leave you wondering if the image you found can be used or not without infringement. Here is a brief outline of five scenarios for using images in your work.
Note that in ALL cases, properly attributing the original creator is necessary.
Option 1: Use whatever you want and claim fair use.
Option 2: Pay to use professional stick images
Option 3: Use Stock photos provided by a free image source
Option 4: Use Public Domain or Creative Common-licenses works
Option 5: Create own image using AI