download install test and skin XnViewMP on Ubuntu .
You can download a TGZ
click a thumbnail to enlarge
11-click on add program... .
12-goto File system icon.
14- double-click bin.
15-here in usr/bin Select and Open in "File name" : Gnome-Mplayer.
16-here in Music directory, i select "video.flv" then right-clic to open the fresh added program
17-Gnome-Mplayer accept to read video.
18-Settings- Qt4 parameters.