If your Product Table has columns for "Preferred Group Photo" and "Preferred Individual Photo."
These are the steps you will need to follow to match photos:
To match Photos using the Product Table
1) Upload photos to AMP
2) Upload products to AMP
3) For group photos--Add the name of the photo exactly as it appears in AMP to the Preferred Group Photo column
4) For individual photos--Add the name of the photo exactly as it appears in AMP to the Preferred Individual Photo column