I've been running IPLeash on my WebCAM computer for some time now, without problem (I've had 5 IP changes on my cable modem over the last year. The "External IP Check" think works GREAT, the actually IP address of the WebCAM machine has changed numerous times over the last year, but it always correctly gets the router's address. 

I've put up a new release.  The only change is I'm using NSIS for the install (no more huge footprint 'cause of MS).

The first beta version is up in the download section.  I've put both a full install and just the zipped EXE up (much smaller).  

The message board up, please use that for problem reports. Any Beta Testers will get free registration for IPLeash, Version 1.0.  

Some of the Help Pages are up.

The first version of the web page is up and available.  The beta of IPLeash should be available in the next week.  If you are interested in being a beta tester, please e-mail IPLeash-Beta@ratajik.net.  List your platform, and how you connect to the internet (including any router or firewall info for IP detection).