I've add the ability for group members to vote up/down on their scripts. This allows a group to rank their favorite scripts.
Groups are still a logged-in only feature (it appears on the header when you login).
Voting a script up/down only affects its ranking within that group. So if you vote down a script because it doesn't belong in the facebook group, it will not affect its ranking in the twitter group.
Voting on if a script belongs in a group is another step towards helping people find and share the best scripts.
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*tries it out on the XPath group's scripts*
Ah. By posting a script to a group, I automatically give it one +1 vote, which I can change to a -1 vote later on, should I choose to. Handy. Simple. I like it!