This document provides an overview of how to use the photo sharing website Flickr for educational purposes in K-12 classrooms. It describes Flickr's features like photo uploading and organizing, mapping photos by location, and privacy settings. It then gives many examples of lessons across different subject areas that could incorporate Flickr photos, such as using photos for writing prompts, digital storytelling, virtual field trips, and more. Directions are provided for teachers and students to get started using Flickr.