First, here's the old money:
And here is the new money (you can look at the reverse at the link):
I think they've managed to make Rutherford look particularly gormless on the $100, and I think fuvenusrs described the Queen on the 20 best, as "a cross between Yoda and Emperor Palpatine."
Also it seems our wildlife is phasing out of the picture. Which, given the current government's approach to environmental issues, doesn't really surprise me.