Google has this really cool new API that you can use to generate charts. By simply including parameters in a URL, you get a chart image with the chart coming out as whatever type and values you need.

The basic URL format is http://chart.apis.google.com/chart?cht=p3&chd=t:90,49&chs=350x150&chl=Foo|Bar, and you change it up by altering some of the parameters.

There are five types of charts:

Line (by changing cht= to lc):
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