Unnatural looking nose, nostrils very small and weird looking. Can this be fixed?

Overly aggressive thinning of the nasal tip cartilage can create pinching of the tip with time.  To correct this, cartilage usually needs to be harvested from the ear or rib.  However, it would be best to consult with a board certified specialist in the face who can assist you with...

Your grafts may have shifted or absorbed after the trauma.  Best to give it a full year and then reassess the need to perform another revision which would likely require rib grafting

Diced cartilage is a better alternative to rib cartilage as warping could happen with the latter. This procedure is relatively new but done by those who surgeons performing revision rhinoplasty.