I didn't. it turns out it conflicts with ALOT of mods: I cannot install it and keep Realistic Lighting OR W.A.T.E.R. OR Dynamic Snow. So No, I will not install SMIM, it messes everything up.
Blizzard Battletag: UnderDog#21677
Shepard: "Wrex! Do we have mawsign?"
Wrex: "Shepard, we have mawsign the likes of which even Reapers have never seen!"