Still need help on this?

It's usually missing a language file when it errors out, reinstall the entirety of Minecraft (you can save your BTW jar and json)

It's still a W.I.P, and no download is available yet, but I figured showing something might get people interested. It's intended to try and match the "feel" of Better Than Wolves, as well as not straying far from Vanilla. Tools and weapons are intended to have a "technological advance...

This is an easy one to answer. You can't. Optifine hasn't been compatible since before dinosaurs roamed the earth. That being said, MCPatcher's mods are way more advanced than anything Optifine can do as far as I know, so use that. As for shaders, I don't think they were ever compatible at any poin...

I looked up some things on it but they're all from 2012 and don't apply anymore.

I find it easier to make texture packs with shaders.

On that note, where are the textures for tree stumps? I couldn't find them in /btwmodtex.

https://www.youtube.com/watch?v=qyNcUgUtlkk
just thought it was cool.