error in image display

i have created a model for image and added in admin. It's uploading images fine but when i m trying to display it's generating error this....

Using the URLconf defined in chh.urls, Django tried these URL patterns, in this order:

1. ^admin/

The current URL, photos/photos/DSCN0811.JPG, didn't match any of these.

i have set MEDIA_ROOT= 'C:/chh/photos'

and MEDIA_URL= '/photos/'

in settings.py of this project......

models.py is-

from django.db import models
from PIL import Image

class Photo(models.Model):
    photo = models.ImageField(upload_to='photos')
   
    def save(self, size=(200, 200)):
        """
            REQUIRES:
                1.    'from PIL import Image'
           
            DOES:
                1.    check to see if the image needs to be resized
                2.    check how to resize the image based on its aspect ratio
                3.    resize the image accordingly
           
            ABOUT:
                based loosely on djangosnippet #688
                http://www.djangosnippets.org/snippets/688/
           
            VERSIONS I'M WORKING WITH:
                Django 1.0
                Python 2.5.1
           
            BY:
                Tanner Netterville
                tanner@cabedge.com
        """
       
        if not self.id and not self.photo:
            return
       
        super(Photo, self).save()
       
        pw = self.photo.width
        ph = self.photo.height
        nw = size[0]
        nh = size[1]
       
        # only do this if the image needs resizing
        if (pw, ph) != (nw, nh):
            filename = str(self.photo.path)
            image = Image.open(filename)
            pr = float(pw) / float(ph)
            nr = float(nw) / float(nh)
           
            if pr > nr:
                # photo aspect is wider than destination ratio
                tw = int(round(nh * pr))
                image = image.resize((tw, nh), Image.ANTIALIAS)
                l = int(round(( tw - nw ) / 2.0))
                image = image.crop((l, 0, l + nw, nh))
            elif pr < nr:
                # photo aspect is taller than destination ratio
                th = int(round(nw / pr))
                image = image.resize((nw, th), Image.ANTIALIAS)
                t = int(round(( th - nh ) / 2.0))
                print((0, t, nw, t + nh))
                image = image.crop((0, t, nw, t + nh))
            else:
                # photo aspect matches the destination ratio
                image = image.resize(size, Image.ANTIALIAS)
               
            image.save(filename)

plz help me.... i have tried my best but i could not find it....

 

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