Jon Stewart, known primarily these days for The Daily Show, also had a memorable turn in the stoner movie Half Baked in which he played the Enhancement Smoker, someone for whom everything becomes more enjoyable when you're ON WEED.

Ten years on, the drug of choice for Enhancement Smokers is now Salvia divinorum, and the Enhancement Smoker du jour is the affable (and very, very high) Erik. Here are his instructional videos on how smoking salvia can affect Driving, Gardening, and Writing a Letter to Congress.