If you have a dynamic IP that changes a lot you could try using a dynamic dns name from http://www.dtdns.com/index.cfm?fuseaction=info.hosts that way when your computer changes IP you ...
Darn, wouldnt you know it, the first tuesday after I get my pois it has to rain for 24 hours straight so they end up closing the park. blegh. oh well, maybe next week.*Fingers crossed*