video_uploader_img not loaded and category returns None, problem with condition to show buttons

I have a table called video which has all video attributes, first issue the image of the uploader which is a foreign key with the user table, now when a video is uploaded i can retrieve the user name “creator” but the image of the uploader is not appearing “creator_img”, second issue is categories when i cick on it its working and i can choose from the dropdown list but when i tey to return the choosen values to the user it doesn’t work and returns None, third issue i am trying to show the favourite button if its clicked to show an icon if not a different icon but my condition is not working.

<div style="margin-top: 35px ;width: 46%;float:right;margin-right: 5% ;height: 23%; border-radius: 15px; background-color:#f9f4fe;">
                                <img style="margin-left: 15px ;height: 54px; width: 54px;border-radius:28px" src="{{x.creator_img.url}}"/> &nbsp;&nbsp;  {{x.creator}}
                                <p style="padding-left: 15px ;">
                                    Lorem ipsum dolor sit amet, consecter adipiscing elit. Sed consectetur quis </p>
                                <label style="color: #999999 ;"></label>
                                <div style="float: right;">
                                    {% if fav %}
                                        <a href="{% url 'favourite' x.uuid %}">
                                            <i class="fa-regular fa-heart fa-2xl" style="color: #2623cd;"></i>
                                    {% else %}
                                        <a href="{% url 'favourite' x.uuid %}">
                                            <i class="fa-solid fa-heart fa-2xl" style="color: #2623cd;"></i>
                                    {% endif %}

class Video(models.Model):
    uuid = models.UUIDField(primary_key=True,default=uuid.uuid4, editable=False, max_length=36)
    creator = models.ForeignKey(NewUser, on_delete=models.CASCADE)
    creator_img = models.ForeignKey(NewUser, on_delete=models.CASCADE, to_field='profile_img', related_name='user_img')
    title= models.CharField(max_length=100, null=True, blank=True)
    video = models.FileField(upload_to='videos/', validators=[file_size])
    categories = models.ManyToManyField(category)
    favourites = models.ManyToManyField(NewUser, related_name='favourite', default=None, blank=True)
    created = models.DateTimeField(auto_now_add= True)

class category(models.Model):
    uuid = models.UUIDField(primary_key=True,default=uuid.uuid4, editable=False, max_length=36)
    name = models.CharField(max_length=200)

    def __str__(self):
def favourite(request, vid=None):
    video = get_object_or_404(Video, uuid=vid)
    fav = bool
    if video.favourites.filter(uuid = request.user.uuid).exists():
        fav = True
    return HttpResponseRedirect(request.META['HTTP_REFERER'], {'fav':fav})