Your understanding that the portrayal of the Báb and
Bahá'u'lláh in works of art is forbidden, is correct. The Guardian made it
clear that this prohibition refers to all Manifestations of God; photographs,
or reproductions of portraits, of the Master may be used in books, but no
attempt should be made to portray Him in dramatic or other works where He would
be one of the 'dramatic personae'. However, there can be no objection to
symbolic representation of such Holy Figures, provided it does not become a ritual
and that the symbol used is not irreverent."
- The Universal House of Justice (From a letter of the
Universal House of Justice, December 3, 1972; compilation: Lights of Guidance)