I wanted to try the plugin TagThis! AKA "Tag This"
It would let me and my users add Tags from the front-end of the website. It's really cool the way it lets you set the # of voters before a tag is added.
But it does not work for me in WP 2.7.
I think the problem has to do with the links in the Admin menu. They point to files under /wp-admin/tagthis/ but I know those files aren't there. They are under /wp-content/plugins/tagthis/ which is where I uploaded it, like most plugins.