This nice mod is not compatible with the cave maps provided the new Alex's Caves mod, both mods are great and I would like the map to be seen like the ones in vanilla Minecraft, I would be happy if had compatibility :)

The character looks green due to an effect from Alex's Caves, it's not a bug or anything like that XD

EXAMPLE:
With First-person Model

Without First-person Model

Closing it here as it's not related to this mod.