If you'd like an SSL connection download this plug-in.
http://www.mediafire.com/?2cc6ckxqun4yryp
Unzip it and then place all the files in your Nettalk folder.
Start Nettalk and edit your connection settings to port 6697 and check the box.
Want to keep Nettalk (or any other program) on top of other windows?
http://www.mediafire.com/?jy3jkg96hqd2yd4
Unzip and run.
Click on Nettalk then use Ctrl-Shift to pin/unpin it.
WARNING! unpin it before you try to change options and such!