Download this program http://anchorfree.com/downloads/hotspot-shield/ then once you have it installed,connect using the connect button either from the icon in the taskbar or the one on your desktop, then once connected play a youku movie like normally and it will buffer/play much faster.

also, i added this app in a few of my posts a long time ago but i think some people might have missed it so to make tudou movies play better/faster download this program http://www.speedbit.com/video%5Faccelerator/ ( speedbit accelerator ) and install then it will really help when watching movies on slow sites like tudo..it works with some others aswell, there is a full list on website.