best guides to start with:
https://mares.horse/bale
(formerly https://imgur.com/a/m7zQ2 )

need some software to work with? Check out Tempo's resource bin:
https://ponepaste.org/2348

Tutorials and help from local anons:

An in-depth tutorial on how one can draw show-faithful ponies, created by a local Anon:
Part 1 - Proportions: https://u.smutty.horse/mezmjzlknkd.png
Part 2 - Shapes: https://u.smutty.horse/mezmjzmlzsh.png

Noise Texturing tutorial:
https://u.smutty.horse/mghklnthjwr.png

Shading tutorials:
https://u.smutty.horse/mcssoijcesz.png
https://u.smutty.horse/mgpapccwmgu.mp4

/bale/ workshop recordings:
https://www.pon3.stream/channel/28/
https://pony.tube/video-channels/bale_stuff/videos

Basic guide to music theory fundamentals, made by a local anon:
https://u.smutty.horse/lzkeufmqgxo.pdf

Advice and motivation from seasoned /mlp/ drawfags:
https://derpy.me/zbokf

Tempo Resource Bin:
https://ponepaste.org/2348

Resources for 3D stuff:
https://ponepaste.org/7628

An assortment of drawing guides and helpful tips:
https://imgur.com/a/m7zQ2
https://ponepaste.org/2348
https://www.youtube.com/watch?v=RXb-Y_kz2aU
https://www.youtube.com/watch?v=s72RpWJjfgg