Sep 29, · Youtube doesn't store images at higher than screen resolution (72dpi). So if you fullscreen the video and printscreen, that's as good as you're going to get. Picture Video. Nov 06, · Play millions of youtube videos in background mode when device is locked or app switched. Download Background audio player for web, for XBOX and see instructions inside the app. if issues just relaunch app contact: [email protected] Note: This no the official youtube app. How to instructions: Launch App Search and select a video 2/5(). Jun 04, · How to Use a YouTube Video as your Webpage Background Written by Amit Agarwal on Jun 4, You are probably using a still image as the background for your website but it may offer a richer and more impressive experience if you could consider placing moving images, like an animation or an auto-playing video clip, in the background of your web.