Craftland.org

I heard on the server that Unbelievable Shaders is supposed to be included as an option in the launcher, but no amount of re-downloading the launcher allows me to find/use the mod. Any help would be greatly appreciated.

It's under it's own Shaders tab, either way, Shaders are a little buggy so your best to leave them alone if they don't work.

you need to turn off some options to make it work, I think it was the Shadows that causes it to not be able to work.