Bravo9110

hey guys/girls im new to the nexus i have used mod before but they were on my xbox with fallout 4 and a budy of mine tells me nexus is alot better for mod foe games like fallout 4/new vegas well i joined nexus today and downloaded the NMM and downloaded a few camos for War Thunder and it says there active but there not showing up in game i figure im not doing something right so any help would be really great because im going to be downloading fallout new vegas on my laptop soon and would like to understand and now how to get everything working ahead of time so again any help would be appreciated