No new gnome types (although I placed a sculpting gnome at the art center and a Napoleon gnome in the bakery, just so I could see them - my sculptors never break their statues!), but here are a few pics.
The collection after moving from Riverview to Moonlight Falls:

How does your garden grow?

Party while the folks are out!

Ghost napping in midair:

And, the inventing gnome checking out the video game console, while the animal gnomes listen to the radio:

I did have a third dog gnome appear, and my Sims will be going to France soon. Gnomes I've buydebugged around the town are off-limits but game-placed ones are fair game. I built a dive lot in the mouth of the bay, so I hope to find a diving gnome there at some point.