silent-cartographer,
Go to chat admin, choose configuration tab and set File Upload Filters there.
We will release a new version soon. With this new version, we remove the "File Upload Filters" if the user is admin or operator.
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asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
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