MiniMonos already released the second puzzle piece, out of six, to the sneak peek were trying to figure out. Here's what the second puzzle piece looks like:
Looks like the bottom of a teddy bear, right? I wonder what that could be?
I can't tell you where the puzzle pieces are hidden, because that would just ruin all the fun, but I can give you a few hints. Trying clicking on pictures and other links, not just blog post links.
- Lville