This is a video of me, Tasselfoot, getting the Impossible Badge for the game 99 Bricks. You have to use all 99 bricks without hitting 'c' or without letting any fall.
The trick is to cover all vertical seams, so you do not make "mini-towers", which are highly unstable.
Video is on 2x speed.
Game: http://www.kongregate.com/games/WeirdBeardGames/99-bricks/?referrer=Tasselfoot
Music: Scienide by The Prodigy