models.py

from django.db import models
from django.utils.translation import ugettext_lazy as _
from cms.models.pagemodel import Page
from filer.fields.image import FilerImageField


class PageTeasers(models.Model):
    page = models.ForeignKey(Page, unique=True, verbose_name=_("Page"), editable=False, related_name='extended_fields')
    picture = FilerImageField(null=True, blank=True)
    headline = models.CharField(max_length=255, null=True, blank=True)

template.html

<h1 class="headline">{{ request.current_page.headline }}</h1>