As much as I aesthetically like the ZFI layout, the darker colours they use tend to have an unwanted psychological impact on participants. This was one of the common themes observed and commented on by members at Dharma Wheel when we, for an extended period of time, had rather dark colours prevailing. It was actually Nana (Geoff) who brought it to our attention that the colour scheme there was inappropriate, and feedback from others confirmed his intent.
What is the final conviction that comes when radical attention is razor-edge sharp? That the object of the mind is mind-made (manomaya). (Ven. Ñāṇananda)
Having understood name-and-form, which is a product of prolificity,
And which is the root of all malady within and without,
He is released from bondage to the root of all maladies,
That Such-like-one is truly known as 'the one who has understood'. (Snp 3.6)