How should the photo that the system is asking me be?
It is clipped from your shoulders like a passport photo, and shows you with wide eyes and a neutral expression, and being worn in the clothes you would wear for a driver's license photo, and being square in size and having a white background or plain color without landscapes or other people in the photo,
What are the benefits of this veteran ID card?
You can use it to get discounts offered to veterans at many restaurants, hotels, shops, and other businesses.