Imouto's is good but is somewhat out of date unless he's fleshed out his planned tweaks. It serves as a more intermediate level guide.

Koda's image guide is fine from a more beginner perspective: https://koda.s-ul.eu/0DZI9tKc

A more advanced guide is currently being worked on by a few of us over at The Balance, no current ETA on that but most up to date resources will always be found in the pinned smn_questions section.