Unfortunately there is no super easy way to get Windows media on an iPad, iPhone and iPod Touch. However a FREE app called FStream solves this problem. Although there are steps to set it up, it's relatively simple!
Once set-up, WAAM is listed in your FStream Favorites and all you have to do is hit the WAAM listing to listen to WAAM's 24×7 stream on your iPad, iPhone or iPod Touch.
Directions
Find FStream in the iTunes Store by either(a) searching "FStream" (without quotes) in the iTunes Store:
...or (b) launching the app's iTunes Store listing via this page: