Black boards

[Khan]

Hi!
If you take a look at http://www.youtube.com/watch?v=w_otIOymgUs you'll see that he uses something that resembles a video in widescreen; referring to those black boards.

I'd appreciate if someone could tell me the name of that addon.

[diskone]

EEpanels
Kgpanels
aperture (i think i spelled that one right)