what has happened is typical of what happens when one does work for friends.
why don't you SELL her the usage for the files much like a stock agency does.
if it is actually for a brag-book, have her tell you how many there will be,
and charge her a fee.
A second solution. It is pretty much guaranteed that she cannot do better. If she does not think so, then you are out the money and you had a learning experience. Next time have have a contract before you pull out your camera.
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.