Dglider, that's really funny ;P But no, I'm not including it in the tutorial. I'll keep it as is, and don't want to spend the time figuring out this wacky engine's kinks. I would also recommend people to let interiors die forever, as they were horrible for Blockland anyways. Wow I sound so hateful lol...
And Nasoa, did you select the object before attempting to select its faces?