In the search window there are 3 tabs at the bottom right. If you select the 'Direct Connect' tab, you can enter an IP and browse files on that computer.

So give you friend your IP and he can choose what he wants

This site will tell you what your IP is..

http://www.whatismyip.com/

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~Kath~
Always judge a person by the way they treat someone who can be of no possible use to them