Can You Count All the Triangles?

If you are on Facebook, you'll need to go to my LiveJournal to see the embedded videos.
We'll start off easy. You won't have to worry about triangles until the middle of the video.
( The Bird and the Bee - 'Polite Dance Song' )

Now, lets add more triangles through each of these videos...
( Midnight Juggernaut - 'Shadows' )

( Friendly Fires - 'Paris' )

( White Stripes - 'Seven Nation Army' )