The third one sounds like the excellent A Smaller World (http://fourteencandles.livejournal.com/95607.html#cutid1) by fourteencandles. Can't help you with the other two.
The second one could be a couple of fics. I don't remeber the name or author of one of them, but the other is here- http://deelaundry.livejournal.com/11761.html
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Date: 2007-06-09 10:52 pm (UTC)no subject
Date: 2007-06-09 11:23 pm (UTC)no subject
Date: 2007-06-09 11:27 pm (UTC)That's the second part with a link to the first.
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Date: 2007-06-10 01:56 am (UTC)Sounds like it to me.
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Date: 2007-06-10 03:13 am (UTC)