Awesome Steampunk Videos

I saw this one a while ago and nearly forgot it... I don't want that to happen again.



Then of course this one, which I love and have never forgotten:



(It's sad wonderful how many popular modern songs I only know of because of their parodies.)

What other steamy or punky videos do you find awesome?

I think this should be the founding document of all steampunk, and its a damn catchy tune as well.

This should be old news now to any steampunk but this Trailer for the game Dishonored sends chills down my spine every time: