<p>I'd like to use the camera in my Macbook in a program. I'm fairly language agnostic - C, Java, Python etc are all fine. Could anyone suggest the best place to look for documents or "Hello world" type code?</p>

The ImageKit framework in Leopard has an
```
IKPictureTaker
```
class that will let you run the standard picture-taking sheet or panel that you seen in iChat and other applications.
If you don't want to use the standard picture-taker panel/sheet interface, you an use the
QTKit Capture
functionality to get an image from the iSight.
Both of these will require writing some Cocoa code in Objective-C, but that shouldn't really be an obstacle these days.