If you’re a content creator, you already know that high-quality images make posts more enticing to readers. You’ll find plenty of open source images if you know where to look. The Internet is chock-full of digital images, but which ones are free to use? You can start with looking at the 15 Best Sites for Open Source Images. However, finding them is only the first step. You also need to know how to properly attribute them, and give credit to the image’s copyright holder. Let’s take a look at some of the best places to find open source images, and how to attribute them appropriately.