I dunno about siglines... there's enough pictures in the avatars. But I'm definitely for allowing extra smilies.
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"I have seen much war in my lifetime and I hate it profoundly. But there are things worse than war; and all of them come with defeat." -- Hemingway
Let's don't load up with smilies but a few extra should be allowed. It may be me but it seems that when I quote someone's previous post that counts as a smiley and I can't add my own. I think smilies prevent misunderstanding by letting the audience know your mind set at the time.
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Whale
Pain and suffering are inevitable,
misery is optional.