Who was the black woman who replaced Jimmy Carter's picture?

No, but I'm not entirely sure it's a woman, if you know what I mean.

At the time this film was made politically speaking there was a hue and cry for a female president, not only female but female and black. The woman in the photo is only important for the joke she represents.

Shirley Chisholm. https://en.wikipedia.org/wiki/Shirley_Chisholm