As I was looking for a way to do this natively in Figma, I came across this concept article on Medium. Basically, my dude Андрей Насонов describes adding the option to choose alignment in the image settings beyond the default centered. This would be a simple but huge improvement to image settings, especially for responsive design.
Here’s his example of how that might look on the Properties Panel for images:
If anyone has found any way to work around this other than individually cropping images for different container widths, pls hmu!