For those who read to the bottom of the article and were stumped on the dice challenges:
4 to 66 = 3d20 + 1d6
8 to 26 = 2d10 + 6
Also, another solution for '3 to 16' (the one listed in the article is '2d6 + 1d4) is '2d4 + 1d8'. Theirs is a bit better, though.