Bulldog reference pictures

Plane to be build, nr. 123 on ski's
estonianworld.com/se..ith-an-f-35-flypast/ 

Unknown pilot
rathbonemuseum.com/E..hotos/ESTPhotos.html 

British pilot with parachute 

Finnish Bulldog on ski's, with added engine cowling 

Swedish Bulldog 

Extra bulge around the machineguns, maybe different armament