Serve a dynamically generated image with Django

I'm relatively new to Django myself. I haven't been able to find anything in Django itself, but I have stumbled upon a project on Google Code that may be of some help to you:

django-dynamic-media-serve

I assume you're using PIL (Python Imaging Library). You need to replace your last line with (for example, if you want to serve a PNG image):

response = HttpResponse(mimetype="image/png")
img.save(response, "PNG")
return response

See here for more information.