Use SVG to bypass 480x360 resolution limit. In SVG there is IMAGE tag. Tool to generate SVG files from raster images: https://bzzzzdzzzz.blogspot.com/p/imagesvggen.html
https://www.desktopbackground.org/download/1152x864/2013/11/07/666240_full-hd-wallpapers-free-download-for-pc-best-hd-desktop-wallpapers_1600x900_h.jpg https://static.toiimg.com/img/68576314/Master.jpg https://static01.nyt.com/images/2019/05/02/science/02TB-PARASITE1/02TB-PARASITE1-superJumbo.jpg
