Citation

Always assume that an image, video, or audio file posted on the web can't be used without permission of the creator unless it has a license that states otherwise.

To find images available through Creative Commons and other licenses:

• You can use images from websites dedicated to making images available for use, such as The Noun Project, Pexels, Pixabay, or Unsplash.
• You can use images in the public domain, from art collections and digitized content. Examples include:
  • The Met Collection
    • View thousands of public domain artworks that are part of The Metropolitan Museum of Art's collections.
  • HathiTrust Digital Library
    • HathiTrust is a large-scale collaborative repository of digital content from research libraries including content digitized via the Google Books project and Internet Archive digitization initiatives, as well as content digitized locally by libraries.
• You can utilize search engines that allow filtering by license, including:
  • Creative Commons Search
    • CC Search is a tool that allows openly licensed and public domain works to be discovered and used by everyone.
  • Flickr Creative Commons images
    • Many Flickr users have licensed their work under creative commons.
  • Wikimedia Commons
    • Crowdsourced collection of Creative Commons media files.
      
  • Google Advanced Image Search
    • For Google, scroll down to the last option, "usage rights", and choose the license that best suits your project.

To find audio available through Creative Commons and other licenses:

• You can use audio from websites where creators have posted their work for others to use, like Free Music Archive, dig.ccMixter, or FreeSound. Be sure to check the specific license requirements of the file you want to use!