Just a heads up, I created a bunch of new interface themes for FS9. It's something a little different to the standard uploads. Hope you get some enjoyment out of them.

Can be found in the library here:

https://library.avsim.net/search.php?SearchTerm=fs2004interface.zip&CatID=root&Go=Search

Couple of screenshots below.

Full list of what's included:

Non Aviation:

Pittsburgh Penguins
Pittsburgh Steelers (Same as above with Steelers logo)
Elvis Presley

Aviation:

Aeroflot
Aerolineas Argentinas
Air Berlin
Air Canada
Air Holland
American
American (Aluminium)
American (Old)
ANA Gold
Boeing 737
Boeing Dreamliner
Bolivian Aviation
British Airways
British Airways (Neutral)
China Southern
Delta
Delta (Neutral)
Delta (Old)
Eastern
Easyjet (Orange)
Easyjet (White)
F-14 Tomcat
F-16
F-22 Raptor
Jet2
Jetstar
KLM
LAN Colombia
Pan Am
Primera Air
Qantas
Sky Europe
Thomson
Titan
Southwest
Southwest (Old Blue)
Southwest (Old Brown)
TUIfly
United (Old)
Virgin Australia
Virgin Blue (Red)
Virgin Blue (Blue)
Virgin Blue (50th Aircraft Colors)
Westjet

Thanks for that.  Yes, I still fly FS9 from time to time...a bit of nostalgia.