context_processors.py

#make some settings accessible via settings.FOO from within templates

from django.conf import settings

def exposed_settings(request):
    context_settings = dict()
    for x in settings.TEMPLATE_CONTEXT_SETTINGS:
        context_settings[x] = getattr(settings, x)
    return { 'settings': context_settings }

settings.py

TEMPLATE_CONTEXT_PROCESSORS += (
    "myapp.context_processors.exposed_settings",
)

TEMPLATE_CONTEXT_SETTINGS = (
    'MEDIA_URL',
    'ADMIN_MEDIA_PREFIX',
    'LANGUAGE_CODE',
    #whatever other settings you want to show up in your templates
)