At that time there probably was portrayed on the tipper part of the lateral walls the assembly of celestial beings who came to worship the main Buddha image in the ubosoth, a feature typical of the late Ayudhya and early Bangkok painting styles.
Inside the ordination hall it has the mural of 4 sides on the north wall in front of the Buddha image and back the Buddha image was history of Lord Buddha. As usually, popular writhing is fighting the devil pictures, but this painting was put over the history of Lord Buddha. In part of south wall was the image of Jataka. It was the image of Jataka in ten incarnations of the Buddha and it all inside window panel it was the image of tree and animal. The door of the ordination hall was the image of the hell and the image about old proverb such as Ring Finger Amputated.