Chrysler continues dishing out portions of its ad business to an array of agencies, this time awarding Doner its dealer/retail account, which could be worth an estimated $500 million in billings next year. According to Adweek, Doner’s assignment is to produce dealer and retail-oriented ads for Chrysler, Dodge and Jeep as part of a year-end effort to clear lots. Lord knows after losing Mazda nearly six months ago, Doner sure could use a major boost like this. The Southfield, MI-based agency is also one of handful of shops in the running for Chrysler’s brand advertising, says the automaker’s CEO/chief marketer, Olivier Francois.  Read more at Adweek here.