At approximately 14:05 into the episode, a view of the fleet is shown. The yellow ship the camera sweeps past is the Kodiak from the PC game, "Command & Conquer: Tiberian Sun".
Glasses and binoculars
When Laura Roslin looks through the binoculars, she stops and says that she wants to see more detail. She puts on her glasses and then continues to look through the binoculars. It's unclear whether this is an "error". While binoculars can correct for nearsightedness and farsightedness, they do not correct for astigmatism. It's entirely plausible that Roslin has astigmatism. If so, then she would have needed her glasses to look through the binoculars.
Showrunner and executive producer Ronald D. Moore made a cameo appearance in the final scene as the man reading the "National Geographic" magazine.
A re-scored version of the theme music from the original Battlestar Galactica series was played as the fleet left the planet's orbit for the final time.