Yes we can have a separate image load when viewed on mobile. If you already have the image link, just send it to me, and I can show you where to put it so it will load when viewed on mobile devices.
We may have to do some tweaking to the background-size:
and a couple other things in the CSS.
If you haven’t already created your image, try creating a more vertical version of your image if possible (not required, but it would make it easier).
It can be a little tricky to get these images to show up responsive while perfectly scaling the screen, it really just depends on the image.