Here is what has been reported to be a scam in a thread at antifraudintl.org, and I'm adding it here at Rip-off Report so more folks will see it.
You get an email that resembles this wording:
Subject: [Bulk] Advertising for Red Bull (Energy Drink)
We are currently seeking to employ individual's world wide. How would you like to make money by simply driving your car advertising for RED BULL.
How it works?
Here's the basic premise of the "paid to drive" concept: RED BULL seeks people -- regular citizens,professional drivers to go about their normal routine as they usually do, only with a big advert for "RED BULL" plastered on your car. The ads are typically vinyl decals, also known as "auto wraps,"that almost seem to be painted on the vehicle, and which will cover any portion of your car's exterior surface.
What does the company get out of this type of ad strategy? Lots of exposure and awareness. The auto wraps tend to be colorful, eye-catching and attract lots of attention. Plus, it's a form of advertising with a captive audience,meaning people who are stuck in traffic can't avoid seeing the wrapped car alongside them. This program will last for 3 months and the minimum you can participate is 1 month.
You will be compensated with $600 per week which is essentially a "rental"payment for letting our company use the space no fee is required from you RED BULL shall provide experts that would handle the advert placing on your car. You will receive an up front payment of $300 inform of check via courier service for accepting to carry this advert on your car.
It is very easy and simple no application fees required contact email along with the following you are interested in these offer.
Make of car/ year:
We shall be contacting you as soon as we receive this information.
The thread writers report at http://antifraudintl.org/showthread.php?t=58983 the rest of the story asking you to cash checks and forward bigger sums elsewhere. BEWARE.