Youtube video direct and Get youtube download url

[dave]

I'd try it without proxo.

Both of these work for me with or without proxo and in any browser I have that has flash installed for it:

http://www.youtube.com/watch_popup?v=C_K...autoplay=0
http://www.youtube.com/embed/C_Kh7nLplWo

Likely I'm not going to be able to do much more because I can't reproduce your problem.