The same content updated with more explanation and showing how it's done. Twitch stream style.
https://www.youtube.com/playlist?list=PLjwOF_LvxhqTXVUdWZJEVZxEUG5qt8fsA
Textures
https://n64squid.com/homebrew/n64-sdk/textures/
Lesson 9 | Lesson 11