Google Slides Tutorial - From the Goodwill Community Foundation, a comprehensive guide to using Slides sorted by topic. Scroll down to read about how to use each feature, or check out the YouTube playlist linked at the top of the page for video tutorials.
Google Slides Tutorial Playlist
Copyright-Friendly Images
Creative Commons - This site searches multiple web sources for copyright-free images.
Pics4Learning - Browse for high-quality images by subject.
Wikimedia Commons - A vast library of images. Search by category, keyword, or even location.
Google Images Search - You all know and use this one. But be sure to check out the short video below on how to perform a search within Google Images that only retrieves reusable, copyright-friendly images.