The remaining pictures are are follows:
Gippsland GA8 Airvan, ZK-TZT, registered to Izard Pacific Aviation at Taupo
Grumman Aviation AA-5A, ZK-DLL, registered to a Wellington address
Maule MXT-7-180, ZK-JQY, registered to Wanganui Sea and Air Charters
... and lastly Cessna 172N, ZK-EKG, registered to Air Hawkes Bay of Hastings, in a nice evening shot.