My inexperience hinders me, I will talk to some of the system support and developers at work.

BusyBox v1.01 (Debian 3:1.01-4.osso10) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

/ $ mmpmplayer some_video_file.avi
sh: mmpmplayer: not found
/ $
/ $ mplayer some_video_file.avi
MPlayer 1.0pre8-maemo.4 (C) 2000-2006 MPlayer Team
CPU: ARM

Creating config file: /home/user/.mplayer/config

/usr/share/fonts/SwaRR4nh.ttf doesn't look like a font description, ignoring.
Cannot load font: /usr/share/fonts/SwaRR4nh.ttf

Playing some_video_file.avi.
File not found: 'some_video_file.avi'
Failed to open some_video_file.avi.


Exiting... (End of file)
/ $ mplayer some_video_file.avi
MPlayer 1.0pre8-maemo.4 (C) 2000-2006 MPlayer Team
CPU: ARM


/usr/share/fonts/SwaRR4nh.ttf doesn't look like a font description, ignoring.
Cannot load font: /usr/share/fonts/SwaRR4nh.ttf

Playing some_video_file.avi.
File not found: 'some_video_file.avi'
Failed to open some_video_file.avi.


Exiting... (End of file)
/ $ mplayer Stargate.Atlantis.S03E01.WS.DSR.XviD-DIMENSION.avi
MPlayer 1.0pre8-maemo.4 (C) 2000-2006 MPlayer Team
CPU: ARM


/usr/share/fonts/SwaRR4nh.ttf doesn't look like a font description, ignoring.
Cannot load font: /usr/share/fonts/SwaRR4nh.ttf

Playing Stargate.Atlantis.S03E01.WS.DSR.XviD-DIMENSION.avi.
File not found: 'Stargate.Atlantis.S03E01.WS.DSR.XviD-DIMENSION.avi'
Failed to open Stargate.Atlantis.S03E01.WS.DSR.XviD-DIMENSION.avi.


Exiting... (End of file)
/ $