1. How can I get a txt feed?
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Module. It has a Google txt feed so all you have to do is upload it to google.
2. How can I get one copy in the admin? - saw this somewhere in the forum will keep checking...
Go to your phpMyAdmin data base, go down to the configuration_group click on that. Check the configuration_group_title hit the little icon browse go through the list of configuration_group_titles and remove the extra copy.
3. How do I uninstall and re install the whole shabang if needed?
Do the same above go to your phpMyAdmin data base, click on the configuration click on the configuration_title, click browse icon and go through the tables that deal with GOOGLE_FROOGLE and delete each one of them. Go to configuration_group click on that. Check the configuration_group_title hit the little icon browse go through the list of configuration_group_titles and remove Google Base Feeder Configuration, your done. Be Aware if you don't know what you are doing you could mess your data base up. Backup, Backup, Backup before you attemp this......