On the east side:
The gable shows the birth of Gautama Buddha:
Not sure what story the west gable depicts, but Buddha is holding an alms bowl in his left hand:
Stencilled in gold on the ceiling of the porch are pictures from the life story of Gautama Buddha...
...including his birth (upper left), the night when he was disgusted by the sight of the dancers, singers & musicians of the royal court asleep (lower left), & the evil Mara trying to stop him when he escaped from the palace on his horse Kanthaka to become a mendicant (lower right):
Not a square inch of the porch is spared from decorative detail: