Shortcut to transmogrify thumbnail

def no_param_shortcut(parser, token):
    """
    Shortcut to transmogrify thumbnail
    """
    bits = smart_split(token.contents)
    tagname = bits.next()
    try:
        imageurl = bits.next()
    except StopIteration:
        raise template.TemplateSyntaxError("%r tag requires at least the image url" % tagname)

    return MogrifyNode(imageurl, [(tagname, ), ])