class ProfileEdit(forms.Form):
  ....

class RegistrationForm(UserCreationForm,ProfileEdit):
  pass

class ProfileEdit(forms.Form):
    id = forms.IntegerField(widget=widgets.HiddenInput(),initial=0);
    name = forms.CharField(max_length=100,label=_('Displayed Name'));
    email = forms.EmailField(label='Email',max_length=75)
    send_emails=forms.BooleanField(widget=widgets.CheckboxInput,label='Send Email',required=False)
    location = forms.CharField(max_length=100,required=False,label=_('Country,City'))
    to_contact=forms.CharField(max_length=100,required=False,label=_('Contact,Enterprise'))
    how_contact = forms.CharField(max_length=100,required=False,label=_('Phone, Fax, Email, Website'))
    def_tags = forms.CharField(max_length=100,required=False,label=_('Your default Tags'))

class BoardReg(UserCreationForm,ProfileEdit):
    def save(self, commit=True):
        logging.debug('Save form2 '+str(commit));
        user = super(BoardReg, self).save()
        if(commit):
            pr = BModels.profile(name=self.cleaned_data['display_name'],user=user,location=self.cleaned_data['location'],to_contact=self.cleaned_data['to_contact'],how_contact=self.cleaned_data['how_contact'],def_tags=self.cleaned_data['def_tags'],email=self.cleaned_data['email'],send_emails=self.cleaned_data['send_emails']);
            pr.save();
        return user

from django.contrib.auth.forms import UserCreationForm;