Mytouch 4g youtube help?

Ok so My YouTube on My mytouch use to work fine tll like a week ago it started to take a while for the vid stream i figured it was the connection no biggie, now when i go to watch a vid its blAnk the vid doesnt Show at All, its like a still frame, the stream bar goes Up but the pictures not there and if the the picture Shows Up its a stll frame, the vid doesnt actually play, please help me get it back to normal