I'd love to see some comparison shots if you'd like to share some!
Here's what I've done, I googled for some tree images and compared your example zaklina :
Again, sun angle really plays an important role. Also, keep in mind if you compare it to real life trees that are standing separated or in a group or a forest.
Here's another example with a different sun angle photo and a rendering of mine:
Here, I've increased the saturation to 115%, though.