class Film(models.Model):
        ...
	producer=models.ForeignKey(Producer)
	genre=models.ForeignKey(Genre)
	year=models.ForeignKey(Year)

	quality=models.ForeignKey(Quality)

	date=models.DateField(auto_now_add=True)
        ....


class Producer(models.Model):
   ...    
class Year(models.Model):
   ...    
class Quality(models.Model):
   ... 
class Genre(models.Model):
    ...

class Producer(models.Model):
    name=models.CharField(max_length=255)
    
    def __unicode__(self):
        return self.name
    
class Year(models.Model):
    year=models.CharField(max_length=4)
    
    def  __unicode__(self):
        return self.year
    
class Quality(models.Model):
    quality=models.CharField(max_length=10)
    
    def __unicode__(self):
        return self.quality
    
class Genre(models.Model):
    genre=models.CharField(max_length=10)
    
    def __unicode__(self):
        return self.genre


class Film(models.Model):
	name=models.CharField(max_length=255)
	orig_name=models.CharField(max_length=255)
	producer=models.ForeignKey(Producer)
	genre=models.ForeignKey(Genre)
	year=models.ForeignKey(Year)
	description=models.TextField()
	quality=models.ForeignKey(Quality)
	translation=models.CharField(max_length=255)
	actors=models.CharField(max_length=255)
	cover=ImageWithThumbsField(upload_to="uploads/", sizes=((550,435),(1024,768),))
	filesize=models.CharField(max_length=10)
	date=models.DateField(auto_now_add=True)
	tags=models.ManyToManyField(Tag)
	file=models.FileField(upload_to=("uploads/%s/%s/%s/" % (d.year, d.month, d.day)))
	duration=models.CharField(max_length=30)
	audio=models.CharField(max_length=255)
	video=models.CharField(max_length=255)
	published=models.BooleanField(default=True)
	rating=models.CharField(max_length=255, blank=True, null=True)
	servers=models.CharField(max_length=255, editable=False, blank=True, null=True)
	
	
	
	def __unicode__(self): 
		return self.name

    <div class="adv_search">
        {{hello}}
        <form action="/advanced_search/" method="POST">
            <p>
                <strong>Качество</strong><br>
                <select name="quality">
                    <option></option>
                    {%for quality in qualities%}
                    <option>{{quality.quality}}</option>
                    {%endfor%}
                </select>
                <input type="submit" value="Искать">
            </p>
            
            <hr>
            <p>
                <strong>Год выпуска</strong><br>
                <select name="year">
                    <option></option>
                    {%for year in years%}
                    <option>{{year.year}}</option>
                    {%endfor%}
                </select>
                <input type="submit" value="Искать">
            </p>
            
            <hr>
            <p>
                <strong>Режисер:</stong><br>
                <select name="producer">
                    <option></option>
                    {%for producer in producers%}
                    <option>{{producer.name}}</option>
                    {%endfor%}
                </select>
                <input type="submit" value="Искать">
                
            </p>
            <hr>
            <p>
                
                <strong>Жанр:</stong><br>
                <select name="genre">
                    <option></option>
                    {%for genre in genres%}
                    <option>{{genre.genre}}</option>
                    {%endfor%}
                </select>
                <input type="submit" value="Искать">
            </p>
                <hr>
            <p>
                <strong>Актер:</stong><br>
                <input type="text" name="actor">
                <input type="submit" value="Искать">
            </p>
            
            <hr><hr><hr>
            <p>
            {%if results %}
            {%for result in results%}
                <p><a href="/view/film/{{result.id}}">{{result.name}}</a> | {{result.quality}} | {{result.year}} | {{result.genre}} | {{result.producer}}</p>
            {%endfor%}
            {%endif%}
            </p>
        </form>
    </div>

search = File.objects.all()

producer = form.POST.get("producer", None)
if producer:  search = search.filter(producer__name=producer)