Here are the direct links to those videos, which are much larger and clearer than viewing them in-page. I've downloaded them all in case the links go away.

http://mpvideo.qpic.cn/0bc3qiabmaaam4aglfc26b...6495558656

http://mpvideo.qpic.cn/0bc3paabeaaamaakeicx4j...4902909954

http://mpvideo.qpic.cn/0bc3hqabgaaap4akghcx4v...6876066819

http://mpvideo.qpic.cn/0bc3beabiaaaleabaukz55...4531603457

http://mpvideo.qpic.cn/0bc3leabmaaa3yalzas25r...9769630720