There's lots of interesting stuff on YouTube related to baseball cards.  Listed here are some links to some baseball card videos.

http://youtu.be/Ssr6TEDrwcM
    -- This is a crazy movie about some baseball card secret agent

http://youtu.be/yicOGKPzB4c
    -- This is a commercial for 1962 Post baseball cards with Mickey Mantle

One Million Cubs Project - YouTube
 -- Follow Beau's search for Cubs and more.

StaknSell - YouTube
  -- Young guy wheeling and dealing at card shows in Wisconsin, Illinois and Indiana