Hey iamtheking, Welcome to the Nokia forums
Could you send a screenshot of what you are seeing?
If your videos are not clear you are probably streaming at a low resolution. try connecting to a connection with higher bandwidth to stream at higher resolutions.
thanks for ur reply iam using 8mbps internet connection. iam palying hd videos in youtube it shown in my mobile as blured video.tha same video playing in n8 its too clear.one more how take the screenshot of mobile.