We here at 2 Political Junkies think that they should not have stopped there.
For example, they could have showed their support for the 10,000 plus wounded American soldiers by waiving bloody stumps (an arm or leg would do).
They could have shown their support for the 100,000 Iraqi civilians killed by slaughtering their own first born children and displaying them Pieta-style for the cameras.
Or, maybe, they could keep it simple and just show what they really think of Social Security:
Just a thought...