The photo - print thing seems to vary, maybe a face-saver thing, a kind of reciprocity different than the $100 fee. As
GUWonder says, BE SURE to request a multiple-entry visa stamped into your passport, which is good for five years (or until your passport expires, if it has less than five eyars "life" left on it.) Even if you think you'll never be back - Brasil has ways of getting us to return!