Its a nice videopresentation
You got some good things going.
You got greenery, walls and such, but its a bit messy and it has a unfinished look in my eyes.
Had this been mine, then I'd try to remove half the figs to unmess them and then gather the gray parts in one massive ruin. Then decide on greenery - do I really want to mix the cone-trees with the ball-trees?
Take a look at the MOC Index - plenty of inspiration there.