2d. In horses, frenzied excitement leads to endless anxiety. (8). M?S?A?G?. Is it MUSTANGS? I can see ANGS being endless ANGST but I don't see where MUST comes from.
19d. Island welcome received by film director. (6). ?A?I?I Is it HAWAII or BALIHI ? I can't see what the connection with a film director is.