I think is it easy to do: in controllers/default.py
def user():
if 'register' in request.args:
db.auth_user.email.label = T('Email)
db.auth_user.password.label = T('Password')
db.auth_user.accept_promotion = T('Accept promotional Email?')
elif 'profile' in request.args:
# do other things
....
return dict(form=auth())

