Then arnica cream as often as you can. Arnica will help speed the break up of the clot and keep the swelling down as well as act as a mild analgesic.
i dont know how true this is but i remeber hearing the dragging a comb over the bruise help break it up
Use arnica cream on it.
Try a warm, moist compress on it. Don't push on it, just lay a warm wash cloth on it.