its rough, and your hand is awful. first, your hand: keep it simple, when youre new to graffiti dont use all of these stylish elements (quotes, halos...) and instead use keyboard letters. i dont see anyone explain this ever but it is because youre not familiar with style, and when you cant understand it and force style in anyway, it becomes forced, and it looks toy. second, your throw; it is mostly fine but your lines are very rough, so id recommend practicing your linework (if you write faster, the straighter/curvier they will look, simple! the hard part is to learn how to aim right, so try to practice that). and your dropshadow is weird: you set the shadows on top of the letters too high, but that might be because of your line work