Has anyone ever negotiated a fee with an artist who wants to buy the rights to a photographic image? I am a member of a professional artists' association, and a very successful fellow member who paints with oils wants to buy the rights to one of my images that she would like to paint. She said her painting would not be "representational", or stylized, it would be pretty realistic and this means I would not be able to print and sell the image, ever. Not to mention the fact that we exhibit at the same shows, live in the same town, etc. I do want to sell the image to her, she is a member of a gallery and is very well known and successful, and does beautiful work. So this is merely a query on how much to charge. I do not want to negotiate a royalty per piece that she sells (originals start at $1500 and go up from there, and she sells giclees after that), as that could go on for a long time. Anyone? Thanks!