I just found NVideo two days ago. (Its pefect!!!)

Last night I upgraded to v0.10, and tried to play the same videos that I played two days ealier
{i.e. Ella Enchanted: "Somebody to love", Trailer, and (I think) "Don't Go Breaking My Heart"}

They now give:

Video restriction:
This video is only available in YouTube website.

Some videos still play correctly.