Places to find free alligator images include searchable image databases, free image collections and creative commons Internet searches. It is simply a matter of using the keyword alligator, or something similar, when searching in these locations. Alternatives include embedding images or creating new images.
There are a number of websites that offer searchable image databases that help people to find free images. Examples include Dreamstime and Free Digital Photos. Other websites are photo collections that allow photographers to upload new images. This is another source of free images with examples like BigFoto and Gratisography.
It is also possible to search the Internet more generally for photos of alligators that can be used for free. This usually involves adding a search filter so that only images labeled as suitable for reuse or modification are returned. Examples of this type of search include the website Creative Commons Search. It is also possible to do this on many photo sharing websites, including Flickr.
Embedding photos found on social media sites like Twitter and Google+ is another option if the alligator image is needed for a website. It is also possible to embed some of the photos listed at Getty Images. Finally, images of alligators can be created using free online tools like Canva.