In "It's Awesome Baby" Scott doesn't have blood, but in "Speed Dating" Scott has yellow blood, but in "Borderline Forever" when he falls from space he spits out red blood. This is probably an intentional inconsistency, since in "Speed Dating" Scott states that the reason for his blood's yellow color is because "[He's] color-blind." So, as a joke, his color-blindness probably causes his blood to change color often.
At 31:53 you can see the background through the upper right-fourth of Brink. This is because he used a green screen, and when he keyed it out, it got mistakenly keyed because of a green design on Xbox 360 games.
At 26:14, the green screen can be seen reflecting off of the Sega Master System.