One of the things that I love about How I Met Your Mother -- there, I said it, I love the show -- is the mystery surrounding who "mother" is and whether we've already seen her on the show or is she still to be introduced. It's not just the Lost fans that are watching scene by scene, shot by shot, frame by frame to uncover clues. Take this very cool observation by a blogger at Seat42f.com.

If you look at the picture, the green boxes, you'll notice that the framed handwritten letter/poem/writing in the background of Stella's home (left), is the same as the framed letter/poem/writing behind the kids in the opening of the show. According to the blogger -- who has HD and studied the scenes closely, it's definitely the same artifact.