Things from the lesson that we may or may not get to:
subsurf modifier:
www.youtube.com/watch?v=gkN1aLaNWxk&h=BAQEfPor4
node editor:
image mapping:
https://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro/UV_Map_Basics
bump maps, reflectance maps, displacement maps:
https://www.youtube.com/watch?v=LcCQKuWPhX
painting textures:
wood texture with displacement:
asteroid: