cherry blossoms tree on progress

so i start with the tree bark texture, is this too dark?

because i have seen many pictures like below. 

that the tree bark color its really dark , it looks really good with the white-pink cherry blossoms =O!

it give more contrast to the scenes? maybe?

i think i need to make another texture for the moss, trying to have some larger area with the moss.

the main loft:

then i make 3 more loft:
which is 4 loft already!
it shows i have 415 polys now.
but this side looks a little empty!
should i make another loft =/?

building loft with reference picture:

yeah~ so i need advise for tree bark texture,
and should i make another loft~???

thank you for reading~
advise! please! =))