For a lot of the episode's duration, the ink is noticeably tinted green.
When Duckworth is painting Fritter O'Way's statue, he says he ordered it to have it painted orange. But the color Duckworth is using is red.
Although Scrooge was skeptical that Launchpad or Gyro would let him and his family stay with them after he went into poverty, he would've considered staying with a relative.