title: Place default profile image based on gender in django
body: <p>I need help on selecting a default profile picture depending on the gender of the user..
  I have three default images in my media folder that i want to use as defaults, namely "00.png, 01.png, and 02.png".</p>
  
  <p>models.py</p>
  
  <pre class="lang-py prettyprint-override"><code>GenderChoice = (
      ('others', 'Others'),
      ('male', 'Male'),
      ('female' :'Female')
  ) 
  
  class User(AbstractBaseUser):
      gender = models.CharField(choice=GenderChoice)
      pro_pic = models.ImageField(upload_to ="", default ="00.png")
  </code></pre>
  
  <p>what I want is if a user selects gender="others" then 00.png should be saved as default and if they select male the 01.png should be selected as default..</p>
  
  <p>Please help</p>