I would like to add that even though some mods might seem completely fitting the T for Teen game rating, they might have hidden functions that can suddenly upper your game's rating to M for Mature or even worse (I won't mention them because that will be rule-breaking itself). To avoid such, probably unpleasant, surprises, it's always good to read the full description of the mod and what it does, in the first place. This will not only help you be wary of what's going to go into your game and what existing functions are going to be changed, but also help you reconsider your, probably, first-impression-like "ooh! shiny!" decision. Just a friendly piece of advice.