Pay special attention to how concerned Bob is about Madonna's bra:
Here's the album cover that made such an impression on Bob:
Here's another album cover we talk about (which may evoke fond/embarrassing memories for some of you):
And I'll see if I can find that old album of my father's that had Anita Ekberg on the cover. BTW, a Google search for Anita Ekberg will give you a NSFW result, so if you want to see a picture, look here.
UPDATE: I made a little video showing those old album covers from my father, beginning with "You're My Thrill," showing Anita Ekberg.