The Pinwide wide angle pinhole cap for micro four thirds cameras (Olympus PENs and Panasonic G Series) gives photographers the traditional feel of pinhole photography with the flexibility of digital imaging.
Plus you get very wide coverage with the equivalent of a 22mm lens and that exceptional depth of field that comes with pinhole photography. I've ordered mine for $39.95 directly from the site, and I'll post some images once I receive the Pinwide.
Sounds like fun.