hm, why not use quick text? It wont be after EVERYTHING but you could use it at the end of your conversations. so "/bye" could be "au revoir my little friend!
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" or some crazy jiberish...and you could use the stuffpluf ng to make bigger emoticons so it could be like "/bye = au revoir my little friend!
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*photo of you waving*"
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just a suggestion.
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