Lindsay Lohan -- Feeling Blu

5/28/2011 12:00 PM PDT BY TMZ STAFF
Lindsay Lohan is making the most of her time under house arrest by reading scripts ... and endorsing a line of electronic cigarettes!

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A company called Blu Cigs sent around the posed pics today, saying Lindsay "is determined to better her career and her health and has started using Blu Cigs as a deterrent to lighting up."

One step at a time.