The deal, planned and bought by digital media agency i-level, will provide with 10-second bumper ads, online advertorial, promotional homepage takeovers and an email to Capital Radio's VIP club members offering a competition.
Smile will take over the Capital Radio homepage on May 26, June 2, June 16, June 30 and July 14 as part of the deal.
The creative work for the eight-week campaign, which begins on May 26, is being produced in-house by the station.
David Newman, director of marketing at Smile, said: "We look forward to developing a strong partnership with the team at Capital Radio over the coming months and building a great campaign around this relatively new portable medium of podcasting."
Michelle Faiman, GCap media interactive sales executive, and Courtney Chadwick, media planner/buyer from i-level, brokered the deal.
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