The photo does not tell the whole story. I agree that your surgeon needs to see this in person. It could be very simple but if the implant is exposed, it could require more surgery. I hope you have already called your surgeon's office for an appointment.
I certainly agree with your PS in that after 6 months it's unlikely that the implant will drop further. Without the benefit of examining you or at least photos, it's impossible to answer your question accurately. However, if a simple release of the lower part of your implant is necessary, a ...
Based on the picture that you have shown i don't know that you have bottomed out. Granted your breast sit little low but the nipple and breast mound appear to be in harmony with each other. You do have some asymmetry but a lift may be what you need. With respect to the pain hard to tell from...