These are videos, dude. I ranked them from best to worst. (if you don't know what the hell this is, go here)

1:47 Two Korean Girls (10.9 MB)

1:55 (3.7 MB) Two dudes spent way too much time on their choreography

:44 Fast movin dude (2.5 MB)

1:34 Slow song dance man (4.49 MB)