I'm not a fan of flags at games, really.
At the 2010 LC final, I got poked in the eye twice by the guy with the flag in front. The second time was literally while he was apologising for the first.
When we all get flags to wave as the team comes out, I'd rather applaud and cheer (and see), as I think that does more for the players, rather than making a pretty picture for the TV.