City Councilman David Yassky announced a plan yesterday for the city to sell ads on its trash cans, a revenue source that he says could rake in $2.5 million. The city owns 25,000 trash receptacles that under Yassky's plan would all bear ads within two to three years. The move would also potentially put a stop to trash cans being funded out of Council members' budgets and then arriving on the streets with the only......