import os

for root, dirs, files in os.walk(r"d:\iss\Franciscan Society\assets\images"):
    for f in files:
        if f.lower().endswith(('.jpg', '.jpeg', '.png', '.webp', '.svg')):
            print(os.path.relpath(os.path.join(root, f), r"d:\iss\Franciscan Society\assets\images"))