here you go.

remember the dependencies:

python2.5
python-hildon, python-gdata, python-gtk and mplyaer
(can find them easily here http://www.gronmayer.com/it )

oh, and i kind of like the offline capability of "saved" section :P
THE LINK http://hugsy.dyndns.org/files/mytube_0.0.1.deb
ps: the link above now it's fixed. should work with Application Manager