There really isn't a good view of the Z-XII open cockpit trainer with the Micron engine, but...the angle of the tail (and supports), the narrow extended nose and the landing gear all fit the photo.
The Bucker is real close, but I'm leaning towards the Zlin.
The warped photo isn't much help, Graeme, but your illustration is spot on.
My Criteria was the inlet beneath the prop, the maingear structure and the angle of the horizontal stabilizer (along with the supports).
While it had a taste of Bucker about it, the Zlin airframe with the Micron engine had those distinctive louvers in the cowl unlike the versions with the Persy or ZLAS engines.
The Hs124 was a twin-engine "Zerstorer" proposal to the RLM's 1934 request for a "Kampfzerstorer".
The Bf110 won the proposal, beating both Henschel's design and Focke-Wulf's Fw57.
The aircraft seen above looks nothing like a twin-engined heavy fighter...