This looks so much like our dry creek bed with our little apple tree in the middle. Maybe adding large rocks around the other side of the tree will make it feel more balanced. Also, I like the itty bitty rocks along the outside of the larger rocks.
Now we are going to show you another idea for adorning the garden, this is a bridge decoration piece and it is easy to copy. The pallets are painted brown to make the bright look prominent in the garden.