Blinn-Phong shading model output. Fixed the red sphere!

Phong BRDF shading model output. Fixed the red sphere

Phong BRDF shading model output. Still the red sphere looks slightly odd as if the light sources are in different position.

Blinn-Phong Shading model output. This doesnt look correct the specular highlights on the red sphere looks off.

This is my Zbuffer Image