Hi @mmcky , I find that some inserted figures/pictures in ``MYST`` are oversized! For example, in lecture [wald_friedman](https://quantecon.github.io/lecture-python.myst/wald_friedman.html#intuition) (left: ``MYST``, right: ``RST``)  in lecture [finite_markov](https://quantecon.github.io/lecture-python.myst/finite_markov.html), 
Hi @mmcky , I find that some inserted figures/pictures in
MYSTare oversized!For example, in lecture wald_friedman (left:

MYST, right:RST)in lecture finite_markov,
