there are 20 summer and 20 winter picea glauca trees in this package. 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 6-15 meters summer trees are between 175k to 537k polygons winter trees are between 319k to 1.297k polygons
fbx format have vertex color data too. leaves diffuses can mix by vertex color for old and young pines. also can apply simple wind with selecting by vertex color. these are program based special effects. every program has different method.