i don’t know what wronge plz some one help and when i use the first person (prefab)<---- is that spelled right? i walk upto them the tree lightens up and like moves to a certan direction
what you describe is the switch from billboard if they are outside the detail tree distance, from their mesh form in close proximity.
these ranges are defined through the terrain settings, if you experiment with them you will be able to solve this setup problem
im sorry ive tryed moving the light around the area but the trees just stay the same but if i move the camra up close it lighten up :?
it has nothing to do with lights at all actually. What you set there does neither interest the quality settings nor the terrain settings 
its all about the terrains detail settings in this case as the trees and other stuff you paint on the terrain is part of the terrain and handled by the terrain lod and rendering. The detail range for example also defines the range for the shadow casting of trees.
similarily the detail tree distance controls when it switches to billboard etc
ohhhhh i get ya now thx you VERY much 
Everybody has these “ohhhhh” moments. =D
i get them alot im still learning :lol: