It’s no good watching some funny program for improving English. Such the program is hard to understand and most program without the caption.
Here are some links offered by a friend of mine in Australia. There is much video, audio, pic, character information in the first link, and both the writing and speaking are very standard; In addition, there is much information about china in this website.
The last link is a video website—just like “youku”, “tudou”.
http://www.abc.net.au/
http://au.youtube.com/