DJAGNO FK/RELATE_NAME

class New(models.Model):
    title = models.CharField(max_length=160, blank=True, null=True)
    thumbnail = models.ForeignKey('images.Images', on_delete=models.CASCADE, related_name='imagesrelate', null=True, blank=True)

    def __str__(self):
        return self.title

-----------------------------------------------2 MODEL-----------------------------------------------------

class Images(models.Model):
    image_name = models.CharField(max_length=50, blank=True, null=True)
    image_url = models.SlugField(max_length=100, unique=True)
    image_width = models.IntegerField(blank=True)
    image_height = models.IntegerField(blank=True)
    image_size = models.FloatField(blank=True)
    image_upload = models.ImageField(upload_to=user_directory_path, width_field='image_width', height_field='image_height')

-----------------------------------------------Views-----------------------------------------------------
from django.views.generic.detail import DetailView

from news.models import New


class NewsDetail(DetailView):
    model = New
    context_object_name = 'news'
    template_name = 'detailnews.html'
    slug_field = 'category'
    slug_url_kwarg = 'new'

    def get_context_data(self, **kwargs):
        context = super(NewsDetail, self).get_context_data(**kwargs)
        context['listnews'] = New.objects.order_by('-date_modification')[:5]
        return context

-----------------------------------------------Template Not working-----------------------------------------------------

{{news.images_thumbnail.image_url}} -->work
{{news.images_thumbnail}} -->work

{% for ima in news.imagesrelate.all %} -->not working
{{ima.image_name}}
{% endfor %}

{% for ima in news.images_thumbnail.all %} --> not working
{{ima.image_name}}
{% endfor %}

{% for ima in news.imagesrelate.all() %} --> TEMPLATE SYNTAX ERROR
{{ima.image_name}}
{% endfor %}

{% for ima in news.images_thumbnail.all() %} --> TEMPLATE SYNTAX ERROR
{{ima.image_name}}
{% endfor %}