Heh, what isn't creepy with Slughorn?

Doesn't he show Harry photographs of himself with a famous Quidditch player at least?

Regulus is confirmed to be in a photograph with Slughorn in the movie. So will Sev, I'm sure. I was rather thinking standing or hanging photographs not an album, but the latter is of course also possible because of the "look I got a picture of your mother" angle.