Some of our most important (ie, paying!) clients are jewellery retailers, and there have been discussions in the past about photos.
The idea was put on to the back burner due to being more difficult to implement (in the way we had originally planned) along side another feature they are asking us to implement.
At this stage, we cannot say if/when it will get implemented, but its not on the current priority 'to-do' list 
Get free EPoS software at http://www.lettronics.com