-- look at the inside of the lid to find a piece of paper stuck to the inside lid. You've been finding pieces of paper all over the place that look like this, and if you look closely at the paper on the lid, they'll all appear in a row to the right of the taped in piece. It's obvious that you need to place the pieces here, but how? Read to the end of this hint for a screenshot of the final picture.
There are five collections of paper pieces to find, and you can wait till you get them all to start if you want, or you can start putting them together now if you're rather.