Here is another DIY video form ProPhotoLife.com. This time they make a 35mm pinhole camera, which take some really nice shots. There is a lot more information on the website, along with pictures of the build. [Thanks Jim]
Learn more about making a 35mm pinhole camera
Related:
Make a Pinenut pinhole camera
http://blog.makezine.com/archive/2008/05/diy_35mm_pinhole_camera.html