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click the reply button the thread
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the posting box opens
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 click the "little mountain" icon on the task bar
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the dialog box opens
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click on the tab "My Computer"
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click the "Browse" button
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open the folder that the pictures are in using the drop down box
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change the viewing style to thumbnail or large icon
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view the picture that you want to upload
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double click on the picture that you want to upload
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please note there is now information in the space before the word "Browse"
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click ""
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your picture should now appear in the message box
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hit the send message button