 Ciampelli also painted the canvases flanking the altar with depictions of "St Sebastian" and "St Michael Archangel".In the 3rd altar on the right is a canvas depicting "St Peter in Chains" by Alessandro Tiarini.The canvas in the choir depicting "San Policronio and other Saints" was painted by Ercole Bazzicaluva, who is best known for his engravings in the style of Callot, Stefano della Bella, and Cantagallina.