Photos cannot determine if you would be a good candidate for surgery. You need an examination and the doctor needs to understand your goals and expectations.
It appears that you may have lost some of the native hair that you had in the center of your crown prior to your hair transplant. However, it is difficult to see where the 2,500 grafts have been placed. The best course of action is to go back to your surgeon and ask for an appropriate...
Pus after surgery is not typical and generally signifies an infection. This should be treated with antibiotics but requires an in-person evaluation. Since your hair transplant surgeon is in another country, you will need to find a local dermatologist in the country you are located to handle...