Displays a Twitter Follow Button; and, includes shortcode functionality.
Please note, support may be available on the WordPress Support forums; but, it may be faster to visit http://buynowshop.com/plugins/bns-ftbutton/ and leave a comment with the issue you are experiencing.
Yes, this plugin has been made for multi-widget compatibility. Each instance of the widget will display, if wanted, differently than every other instance of the widget.
Yes, more to follow ... or read this page: http://dev.twitter.com/pages/follow_button