hryciuk wrote:Are the Balinese Om and Ganesha compatible together from a Buddhist perspective?
From a traditional Theravada Buddhist perspective, both things are "out of scope" to the extent that neither are aspects of the Dhamma taught by the Buddha.
Being "out of scope" in such a way, there is no traditional perspective on them... neither am I aware of the Buddha addressing the matter of tattoos either.
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"Whether I were to preach in brief, Sāriputta, or whether I were to preach in detail, Sāriputta, or whether I were to preach both in brief or in detail, Sāriputta, rare are those who understand." (A I 333, Sāriputtasutta)