On the first day of comming home, you should choose the "Dominate Linda" option in the pool scene and then you'll get the image unlocked.Bug in the "stills" gallery? 2nd last panel, image #4. Should be unlocked during Rachel's last "story". I played through with both dresses (that is the only decision). She's never on her bed in that one-piece (I unlocked the pic via mod to try and figure it out), and certainly not in-between leaving work and meeting Nicole for coffee. Or am I missing something?