How to Record on Zoom - The most basic guide for recording a presentation via Zoom, found on Zoom's community Help Center--which is a great resource for learning different functions of Zoom
Recording Layouts for Zoom - Also from Zoom's Help Center, this specifically walks you through many of the video display layout options available to you
Reed College Slideshow Background Tutorial - Do you need to be visible during your presentation but don't like the standard "picture-in-picture" set up? Reed College will walk you through how to get your slideshow to work as a smart background for your Zoom call!
How to Use a Script on Zoom - Excellent advice on how to read from a script while presenting over Zoom