People have been posting videos of all sorts of styles, but very few of the weapon forms. The staff, of whatever size, is the weapon almost every culture has in common. Post videos of various staff styles to compare here.
These are all Long Staff forms (Bo)

Okinawan Kobudo
Shuji no Kon
http://video.google.com/videoplay?docid=-660150175740904100&q=kobudo&hl=en

Ufugusuku no Kon bunkai
http://video.google.com/videoplay?docid=2844893345094632988&q=kobudo&hl=en

Choun no Kon (rty to ignore the music)
http://video.google.com/videoplay?docid=6896457208527856597&q=kobudo&hl=en

Yammani Ryu, Sakugawa no Kon (a little grainy)
http://video.google.com/videoplay?docid=-5472760035365269476&q=bojutsu&hl=en

Japanese Koryu

Katori Shinto Ryu
comparison of the same kata demonstrated by students of two different teachers.
http://video.google.com/videoplay?docid=-3611713097133357413&q=martial+arts+staff&hl=en

Chinese

BaXian Gun, Eight Immortals Staff
http://video.google.com/videoplay?docid=-6204755941355219769&q=martial+arts+staff&hl=en

Modern Wushu
http://www.youtube.com/watch?v=ycmYyRYyCOQ
http://www.youtube.com/watch?v=-ZS5y-f5Wz0

Pigua Zhang Feng Mo Gun, Crazy Devil Staff
http://www.youtube.com/watch?v=N9ipwVvmAYQ

Pap Kar Moon Long Staff
http://www.youtube.com/watch?v=r7hf1rqnsi4