Tejime (choreographed group celebrations for when something exciting happens):

[youtube=http://www.youtube.com/watch?v=kTMJFeGUiZw]

Shazai (different types of apology):

[youtube=http://www.youtube.com/watch?v=Zg_vny5sFpo]

Finally, as a special bonus, dogeza (abject apology)

[youtube=http://www.youtube.com/watch?v=1CJ90QCSmnc]

And that, my friends, is how etiquette videos should be done.