Re: Bitcoin lost after export/import keys

One last question: I now have several unconfirmed 0.00000001BTC-transactions in my multibit client. Does anybody know what this means?

Someone sent out numerous 1 satoshi payments for unknown purpose (very likely for advertising their site).
There are tons of threads on this, and here are just a few:
https://bitcointalk.org/index.php?topic=459529.0
https://bitcointalk.org/index.php?topic=462449.0
https://bitcointalk.org/index.php?topic=458841.0