I've been combing fafa's excellent website, finding the aggressor skins and figuring out where they go, what skins are available, and what planes they alter. Here's what I have so far:
F-14A-IAF
Installation: F-14-IRIAF-Sand
dds: 3336-3341

F-14A- Blue splinter camo
Installation file: F14TOMCAT-BLUESPLINTER
dds: 2535-2540

F-16CJ- NSAWC Desert camo
Installation file: NSAWC_VIPER
dds: 3399-3406; 3161; copy 3161 and rename as: 3162-3167; copy all files into Object folder
Notes: there is also a Marine skin, same camo pattern (I'm Navy, so gotta go with that skin!)

F-16B- Blue camo
Installation file: F16B-Blue Aggressor
dds: 2378-2390

F-16C+ Flogger camo
Installation file: F16C-Flogger Aggressor
dds: 2043, 2054, 3612-3627

F-5E Snipers blue camo
Installation file: f5 Aggressors
dds: 3925-3929

F/A-18C- VFA-204 River Rattlers desert camo
Installation file: Unknown (can't remember)
dds: 2013-2018, 3297

F/A-18C- Blue splinter (homemade)
Installation file: I made this one! Not publicly available yet...
dds: 2019, 3291-3296

If you have any questions about the skins, let me know.
And, again, many thanks to Fafa for hosting these wonderful skins!
http://fafa.griffons.free.fr/Falcon4/Skins/