Here's a page dedicated to the famous mosaic of the beautiful Zoe the Porphyrogenita and her third husband Constanine the money bags form the upper gallery.
Image Gallery of Mosaics in Hagia Sophia
Here's s page of wonderful images of the great mosaic icon of Christ in the upper gallery of Hagia Sophia - otherwise known as Saint Sophia.
Imperial Bedroom
Portrait Hall
Mauve Room
Maple Room
Aleksey's Bedroom
Nicholas's Study
Aleksey's Playroom
Formal Reception
Balcony View
Aleksey- Balcony
Children-Mauve
Nicholas's Bathroom
Alexandra- Mauve
Nicholas's Reception
Tsarskoe Selo Map