Miro is a great application for watching videos and high-definition TV podcasts in Linux. The latest release is 2.5.1, a bug fix release for the 2.5 series, which has a faster start-up time, a new, revamped library interface, new keyboard shortcuts, a refined interface and lots of bug fixes. Miro is an awesome multimedia application, especially if you like watching videos at high quality.
Install Miro in ubuntu 9.04

First,edit source.list by this command:

sudo gedit /etc/apt/sources.list

add this line to the file,save and close.

deb http://ftp.osuosl.org/pub/pculture.org/miro/linux/repositories/ubuntu jaunty/

If you have an older version of Miro installed on your Ubuntu, first remove it by:

sudo apt-get remove --purge miro
sudo apt-get autoremove --purge

Now,update and install:

sudo apt-get update

sudo apt-get install miro

Miro 2.5.2 should be now properly installed,you can run it by typing miro in terminal,or press Alt+F2 and type miro.