1)Make download this file.
http://www.flashfxp.com/download.php
2)After you can go to this site and you will find all the information
about to do a conection with ftp
http://www.flashfxp.com/tutorials.php?s=1]http://www.flashfxp.com/tutorials.php?s=1]http://www.flashfxp.com/tutorials.php?s=1
3)You can transfer files and how you can you can see in this site.
http://www.flashfxp.com/tutorials.php?s=3]http://www.flashfxp.com/tutorials.php?s=3]http://www.flashfxp.com/tutorials.php?s=3
The settings you can transfer in /var
The key in /var/key
And the config for the sharing in /var/keys