TubeMate worked fine for me running 2.0, but not so good running 2.1 beta. There is another app, however, called FREEdi YouTube Downloader that does work with 2.1.
I just installed this app, suposely it download the video, but I cant play it, it says check permision, also I can't find it? can someone please help me out...!
I have the lastest of the tubemate also of the PB...