These are Pokemon Crystal animation style sprites done by Nuuk. All are tested and proved to work in base Crystal.
These sprites are free to use/edit, but please dont use these for profit or claim as your own.

Each .zip file contains all files needed to simply extract the pokemon file into pokecrystal\gfx\pokemon.

Make sure to follow all steps in the below to fully add a pokemon to your game:
https://github.com/pret/pokecrystal/wiki/Add-a-new-Pokémon

If you need to contact me:
Discord: Nuuk#3967
DeviantArt: https://www.deviantart.com/nuukiie
Twitter: https://twitter.com/nuukiie