I have resized all 52 background images so they fit on a 4:3 Screen (1600x800 resolution). I also blended in a small back border bottom side on each one so not to distort the original console image from its original widescreen setup.
I have enclosed a zip file for anyone else needing 4:3 images,
Can I request Spectrum & Commodore backgrounds please
CleanBG_-_1600x1200_(4x3)_Images.zip