SnapperHead Setup 4 an iBook Sharing an Internet Connection...

Ok, i have my Windows PC configured to share my DSL Connection with my iBook, via manually configured LAN IP's of 192.168.0.x. Now, my obviously has another IP, for the Internet, but does my iBook NOT?! ... i want to use Snapperhead, and be able to connect to my iBook, is this not possible?!

Any ideas peeps?!