Okay I did some homework. That specific clue was to a previous puzzle. Here is my proof that that clue (the white rabbit one) belongs to a previously solved puzzle and not this one. Hopefully this will put to rest the white rabbit nonsense (for a short time):
It makes for good reading as it describes the path to solution for a previous puzzle. Intimidating if you ask me.
Wrong! The white rabbit stuff was to a previous part of this same puzzle. Look at the title of this thread: FINAL STEP PUBLISHED. There were many previous steps to finally reach the painting.