Texture Size Problem! Tree It software to UE4!

I am using the Tree It software to make my foliage. i have made a decent tree in tree it, but when i import to UE4 i have all sorts of problem no matter what file i export it too. When i import the FBX, Or OBJ into UE4, the tree comes in 2 parts, and they are both 90 degrees turned on its side, so i have to fix that manually, which isnt really the issue, but it is annoying, but when i go to set up the leaf material, which looked great in Tree It, the material does not fit the leaves AT ALL! here are pics of what i mean!