Why Use Free Images?
Just like with other media, in most cases images are protected under copyright by the work's creator. Reusing a copyright protected image without permission could be copyright infringement. To avoid infringement and respect intellectual property laws, it's best practice to use images that can be REUSED, REVISED, REMIXED, or REDISTRIBUTED. These include:
What About Fair Use?
Fair use may be an option in some cases and it's important to perform a Fair Use Analysis for each image. Using an image from one of the REUSED, REVISED, REMIXED, or REDISTRIBUTED categories above if using a specific images is not necessary.
Not all images in these collections are free for REUSE, REVISION, REMIXING, and REDISTRIBUTION. Be sure to check the license for each image for more details.