As I was looking for a way to do this natively in Figma, I came across this concept article on Medium. In the article, Андрей Насонов (Andrey Nasonov) 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! 🙏