Hi, I can recommend having a look at
http://www.68north.com/ for some inspiration. I have been to Lofoten before, although not in Winter. What I liked most were the beaches there, although the best beaches need a bit of hiking or a boat to reach them, not sure how easy this is in Winter.
I guess you will see plenty of good locations by just exploring the islands. It of course depends a bit on what kind of images you're after.