Here's April program of the weekly updates that bring more content to your built-in library:
04/03: "Elven buildings"
A set of new elven building.
04/10: "Spring feeling"
A set of many flowers.
04/17: "Arthorn village"
As set of new medieval buildings.
04/24: "Northern village"
A set of viking inspired buildings and objects.
As usual each pack includes around 30 new objects.