The medium's the message. Sudsy too. Poster encouraging hand washing is made up of pieces of soap. Folks are invited to tear off a square or two and lather up.   Circular argument against violence Posters wrapped around poles show a soldier's gun circling the pole so the barrel is pointing at the back of the soldier   'Look, on the wing, there's a man' We're at 35,000 feet. He's holding on by his hands. He's wearing climbing gear. Wait a sec, it's an ad for outdoor equipment.   At Cannes, hats off to the best Top outdoor ad award goes to a campaign in South Africa in which the message was printed on worthless Zimbabwean currency   Virus busters: A story told in one act Guys in hazmat suits accost a man on the street, spraying his laptop with silly string. Client: Anti-virus software maker.   'Tear this ad out, see the man turn red' Magazine ad morphs into alternative media stunt when the ad is exposed to the sun. Special ink changes color. Client: Sunscreen.   Last frontier: Ads on team jerseys WNBA's Phoenix Mercury players now sport a corporate logo on their tops, and expect more cash-strapped pro teams to follow   Voila! The Don't Get Caught Mirror. Attached to one's computer, it tells you who's coming from behind in case you're visiting an X-rated site. Client: A porn site.   On your balcony, fresh-brewed coffee Lift delivers samples to highrise dormitories, rising up the exterior of the building. Client: A local coffee shop.   Livingstone's Africa, on 43rd Street 3D display takes New Yorkers deep into the jungle in a promotion for History's new series on the search for the Scottish explorer next >>