The best way to redistribute a linux distro

What is the best way to redistribute a linux distro?

1. Handing our Linux CD's should be ok per the GPL

http://www.gnu.org/copyleft/gpl.html

2. Standing on the street corner and handing them out:

Check to see if your city allows such thing.

This guy out in Austin Texas did something very similar, he stood in an intersection with a sign and box full of Linux cds. The end result: he got some cash, cigarettes and phone numbers.