Here are a few more post ideas for my contest.
6) Work baseball cards, as a major part, into an episode of The Office or LOST.
7) Post a video of you sharing your collection with someone that didn't know previously that you collect sports cards.
8) Put together an entire inning of a baseball game, just using baseball cards.
9) Come up with at least 5 events for a Baseball Card Olympics.
10) Come up with a Minute-To-Win-It game involving baseball cards.