You may need to get permission in order to use the image for your project. When you have permission, you also need to provide attribution for those images. See if the copyright holder has a preference for how to attribute that image. If not, write "Used with Permission." and the copyright holder's name.
You definitely don’t need to get permission, if (and only if):
If your project will be available on the internet, finding images in the public domain or with creative commons licensing can take the stress out of finding images that are able to be used online. Consider taking your own images for your project (and protecting them with your own Creative Commons license) or using one of the search engines below.