I'm running INFA on a recent (as in last week) FS: SCP install (.exe version 3.6.9).  It's awesome that every fighter has been HTL'd.  The music is missing, probably because I can't find the fabled "Warble_FS1OGG.exe" for download anywhere, but there's something else...odd going on.
There's a distinct lack of engine glows.  Is this supposed to happen?

Somehow, I'm thinking it's not.  
FWIW, I followed the instructions on 
file:///D:/FS_SCP/INFA/readme/readme.html, apart from not having Warble_FS1OGG.exe.  I do have original CDs for FS1.  The name of that file suggests it's from the first Freespace game.  So, could I get it by reinstalling FS1?
Or maybe I should just wait for Inferno: Alliance standalone to come out?