Paintings and Images of Sun
As per vastu painting of the rising sun should be hung on the on the east wall and mountains in south walls. Avoid painting of sun with mountain, as mountain at east is never recommended in eastern sector in vastu shastra.
Images of the sun and related wall hangings can be placed on the main Door of the house, in the Living Room or even in the Home Temple. Similarly, it can be placed in the Office, Showroom, warehouse, Factory etc. They are also extremely auspicious if hanged in the Car and make very nice gifts for any auspicious occasion.