Hi!
I need help on the Twitter.

I have registered on the tweeter. 
I have began to leave messages and make friends. 
Other users begin to send the massages to me.
A lot of messges withstream video, like this: 
http://luishfigo.vox.com/library/post/michael-jackson-lyrics-1.html
http://luishfigo.vox.com/library/post/wimblendon-1.html
http://luishfigo.vox.com/library/post/you-pron.html
http://luishfigo.vox.com/library/post/sexmoveispots.html
http://luishfigo.vox.com/library/post/frresexnet.html
 
I haven't such player. 
I have downloaded and installed it, but the video still doesn't play. 
It requests to install the player.
What is wrong? Help?