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How to Superimpose images with a green screen and chroma key

Person demonstrating a hand gesture in front of a green screen setup.

This video gives a ten minute tutorial on how to achieve the superimposition effect for web videos with a little props and software.

You will need to get Wax, a free nonlinear editing system for Windows that includes the chroma key effect. You will also want to get the codecs HuffYUV, Lagarith, and MSU Lossless. Then there's styrofoam, green board, a yard stick, an ugly seventies lamp, a compact fluorescent light bulb, a clamp lamp, plastic vase, books, and a cardboard box. And last but not least, a camera.

See how you can make the perfect green screen environment for your YouTube videos.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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