My mum was diagnosed with a terminal illness a month ago so I've pushed the boat out this Christmas and bought her an expensive locket. I want to put a picture of my kids in one part and a picture of her (adored) cat in the other. It's a weird heart shape. How do I best do this? Do you think if I took it into a photo printers they would do it for me? Thanks for any advice I'm a bit frazzled!