One adds more guards to caravans.
Another adds hunters, scavengers, and other people like that to the settlements in the game.
Here I will show you the horrible head/body color mismatch of all of the NPCs that were added in via mods, however no vanilla/default NPCs are affected in this way, only NPCs added in with these mods.
PLEASE HELP ME FIX IT! It is extremely annoying....... <_<
Here you go:
http://i355.photobucket.com/albums/r452/a_riddle/ScreenShot239.jpg
http://i355.photobucket.com/albums/r452/a_riddle/ScreenShot291.jpg
http://i355.photobucket.com/albums/r452/a_riddle/ScreenShot292.jpg
http://i355.photobucket.com/albums/r452/a_riddle/ScreenShot297.jpg
And just for fun, here is an Enclave trooper walking around in the sky:
http://i355.photobucket.com/albums/r452/a_riddle/ScreenShot230.jpg