Matt Damon directing a PSA with Adrian Grenier and Jeremy Piven. Probably fake but still funny.
<object width="480" height="385"><param name="movie" value="https://www.youtube.com/v/GF2WaXeluPk&hl=en&fs=1&color1=0x3a3a3a&color2=0x999999"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/GF2WaXeluPk&hl=en&fs=1&color1=0x3a3a3a&color2=0x999999" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>
<object width="480" height="385"><param name="movie" value="https://www.youtube.com/v/GF2WaXeluPk&hl=en&fs=1&color1=0x3a3a3a&color2=0x999999"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/GF2WaXeluPk&hl=en&fs=1&color1=0x3a3a3a&color2=0x999999" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>