def Img(self, width, height):
    """Get an image tag for our graph."""
    url = self.Url(width, height, use_html_entities=True)
    tag = '<img src="%s" width="%s" height="%s" alt="chart"/>'
    return tag % (url, width, height)
Get an image tag for our graph.
mapreduce/lib/graphy/backends/google_chart_api/encoders.py