Every time I’ve ever tried to insert a scanned image or webcam image into OneNote (desktop version), I was met with an error about drivers, and being unable to access the scanner/camera.
Thankfully, OneNote MX (Win8 Metro version) seems to have addressed this issue. The below video shows the smooth integration of the webcam for inserting pictures. I’ve seen this work both with my Surface Pro, as well as a traditional laptop using OneNote MX. It’s certainly not a solution to the desktop-version problem, but it’s a pretty good alternative: