Look out a window. Is the wind blowing? Maybe there are trees, and the wind moves them. You'd want to keep this in mind, and incorporate movement into the shape and look of the branches and leaves. How about contrast? Are there things in like a wheelbarrow or cars? Do their colors contrast the greens and yellows of the grass and trees?
Think about this, and the different principles, as you write your response. Think about contrast, balance, movement, and proportion the most, in my opinion. Expand on that
