My new radio, you will need WinAmp to here. (i don't know if others will work like, windows player, or real) Here is the link to here it: http://65.5.210.195:8000/listen.pls
A couple of things, why don't you have a flash version that doesn't need any specific software(apart from flash). Also www.uni.cc - free domain(with dns) may make life easier.
Its still worth noting other peoples ideas - it best to put something in before you make everything than after quite often - been a software developer I know this!