SORL (and description example) in Django's admin change list view...

admin.py

# ...

from sorl.thumbnail import get_thumbnail

# ...

# http://stackoverflow.com/questions/1378447/question-about-admin-py-list-display
def _get_photo(obj):
    if obj.photo: # 'photo' = model field name.
        im = get_thumbnail(obj.photo, '60')
        return u'<a href="http://%s.%s/%s"><img src="%s" width="60" alt="Thumbnail image" /></a>' % (obj.photo.storage.bucket, obj.photo.storage.connection.server, obj.photo.name, im.url)
    else:
        return u'(No photo)'
_get_photo.short_description = u'thumbnail'
_get_photo.allow_tags = True

def _get_description(obj):
    if obj.description: # 'description' = model field name.
        return obj.description
    else:
        return u'(No description)'
_get_description.short_description = u'description'
_get_description.allow_tags = True

# ...

list_display = ('title', 'parent', _get_photo, _get_description,)