When Apollo boards the "Prometheus", the first black market item seen being sold are cartons of cigarettes with the brand name "Sarcoma". A sarcoma is a form of cancer that develops in the connective tissue.
This is the lowest rated episode of Battlestar Galactica
According to the opening credits, there are 49,597 survivors.
When Apollo enters Tigh's quarters, there is a shadow box on the wall. The three lower insignia in the center column are US Air Force chevrons for Airman (1 strip, E2), Sergeant (3 strips, E4) and Staff Sergeant (4 strips, E5).