http://911research.wtc7.net/materials/wtc/#b7_1page
I've been posting this flyer

in the 'free paper' dispensers around town
these things:


generally i only print out the front of the first page of that pdf, but I've been doing some other stuff too. great way to get the message of WTC7 out on the street.
there's also lots of tourist rags, car catalog, and home for sale catalogs and 'learning annex' dispensers around that i use too. I've also used other types of stuff like this