I need to add this here, so I can only referr to this post when people on the forums ask me about this specific issue. It seems to be the most common problem users have with the Primby Village mod. I will add this to the ReadMe from Beta Version 0.3.
3. FLOATING GRASS. If you experience grass hovering above the ground inside Primby Village, you’re one of those who have encountered a specific bug that does this. It seems to strike some players, while others, like myself, don’t have it. The solution is this:
Open up both Skyrim.ini AND SkyrimPrefs.ini and at the bottom of the [Grass] section add/alter this:
Then, in the skyrim installion folder open SkyrimEditor.ini and at the bottom of the [Grass] section add:
Source (Thanks to Somnyus for sharing!).