Собственно вопрос в теме.
#model.py
class PostImages (models.Model):
post = models.ForeignKey (Post, null='True', blank='True')
image = models.ImageField(upload_to=None, height_field=None, width_field=None)
def thumb(self):
return '<img src="%s"/>' % (get_thumbnail(self.image, "50x50", crop='center', quality=95).url)
thumb.short_description = 'Photos'
thumb.allow_tags = True
#admin.py
class PostImagesAdmin(AdminImageMixin, admin.ModelAdmin):
list_display = ('thumb',)
Результат: <img src="/media/cache/a0/ea/a0ea41909eac756782605133045bc66a.jpg"/>
