Foster's Lager will get much higher TV exposure and a new outdoor campaign now that Miller Brewing Co. has taken over its marketer, Molson USA. Foster's had been running some regional TV and will add national cable this year. New outdoor ads take their inspiration from the Col 1, Depth P4.09 I0.79 "Speak Australian" TV theme and offer humor ous U.S. versions of Aussie slang. Another board pictures a shark and the words, "Austra lian for can opener." Angotti, Thomas, Hedge, New York, handles what could be a $6 million campaign this year. Foster's the na tion's No. 7 imported beer, saw sales grow 8.4% to 4.0 million cases last year, according to Impact.