Just wanted to say, many thanks for the plugin, it's a fantastic idea.
I do however have one small issue, the post to existing topic feature, for some reason, only worked once, it hasn't posted anything since.
We have our forum set to quick registration, with email validation (We don't use social networking for logins/registrations)
It's set to Add post reply, welcome topic is set, author is set, the post message is set.
I've just set it to delay to 1 hour, just to test if it has any effect, registered a new account and validated my email, but nothing again.
The PM to user works perfectly.
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