Bpwagner writes –
We have all heard of Macquariums, and I have even built a few, but have you ever heard of a Mac Pinhole Camera? Here is how I built one for International Pinhole Camera day (4/29/07). I just know there is an old Mac sitting in your basement… go ahead, it is time to void the warranty!
instructables : How to build a One Pixel Digital Camera using and old Mac – Link.