Here are the ones I know of...all in one place...
Tanghi Argentini :: Tango Short Film
This 2006 Belgian short was nominated this year (2008) for the Academy Awards, but it did not win...
Tango Surrender :: Tango Documentary
A documentary film by Marcia Rock filmed in its entirety in NYC. Here is the YouTube trailer:
La Apertura :: Tango Short Film
En Tus Brazos :: Animated Tango Short Film
Perdizione :: Tango Short Film [Italian Grocery Store]
Link to the full version: http://youtu.be/JBWeyFML2Xc
Perdizione :: YouTube Trailer
Houston Tango [Mikas] :: Invitation clip [to the Houston Tango Festival]
Houston Tango [Mikas] :: Dream
Monica Bellucci in Heart Tango :: Commercial for Intimissi Lingerie