Fuzzy cuffs. This one is tricky. Get Sam to wear her white underwear. Then click her bra and take it off, then have her hands covering her boobs. Then take a picture.
Seasonal content. I think this is only available during the actual holidays. But there is a cheat code to unlock all outfits. At the ATM type in: 77889
Achievements. I think that sounds right, off the top of my head.