Nowadays, videos have become more reachable than text. A good video can retain the user attention and has more chances of being shared and bookmarked. They can be easily embedded in site to provide consistent experience. YouTube, Vimeo, etc are some site to submit your videos.
Some of the video marketing sites are:-
a) http://www.vimeo.com
b) http://www.youtube.com
c) http://www.dailymotion.com
d) http://www.video.aol.com
e) http://www.video.yahoo.com
f) http://www.fark.com
g) http://www.teachertube.com
h) http://www.metacafe.com
i) http://www.buzznet.com
j) http://www.tinypic.com
k) http://www.godtube.com
l) http://www.crackle.com
m) http://www.viewster.com
n) http://www.stupidvideos.com
o) http://www.indiavideo.org