title: auth select chooses in forms.py
body: <p>I have read this code in this <a href="https://stackoverflow.com/questions/5104277/field-choices-as-queryset">question</a> and look nice.
  but if I have user auth and I want user select only your odjects how to change that code ?for ex chooses your personal upload images.</p>
  
  <pre><code>from django.forms.widgets import Select
      class ProvinceForm(ModelForm):
          class Meta:
              CHOICES = Province.objects.all()
  
              model = Province
              fields = ('name',)
              widgets = {
                  'name': Select(choices=( (x.id, x.name) for x in CHOICES )),
              }
  </code></pre>
  
  <p>my model :</p>
  
  <pre><code>class MyModel(models.Model):
      user = models.ForeignKey(User, unique=True)
      upload = models.ImageField(upload_to='images')
  </code></pre>