there are 8 type of conifer trees and every type has 5 sizes and variations. 40 summer and 40 winter conifer trees in total. trees have vertex color data for wind animations and material variations. also there is sample scene for wind animation. no plugin or script needed for wind.
trees heights are 4 to 40 meters summer trees between 58k to 802k polygons winter trees between 100k to 1843k polygons
fbx format have vertex color data too. leaves diffuses can mix by vertex color for old and young leaves. also can apply simple wind with selecting by vertex color. these are program based special effects. every program has different method.