Still pleased with himself after kicking a crucial goal from deep in the pocket during the 1998 Grand Final against North Melbourne, Smart decided to teach Walker the art of the 'checkside punt'.
Watch the video to see how the youngster responded to Smart's offer.
Smart was among several former Adelaide and Port Adelaide players to star in the "See for Yourself" ads, which aim to build attendances at AAMI Stadium this season.
Others featured included Mark Ricciuto, Gavin Wanganeen, Warren Tredrea, Tony Modra, Mark Bickley and current Power coach Matthew Primus.
Click here to find out more about the "See for Yourself" campaign.