There are a few options, none are free or easy. If you have or are willing to get a TVtuner card for your PC then you can use a program called Orb to access the media, including the Tvcard from your Storm. (or any Berry) Also if you have or are willing to purchase a slingbox you can use the Pearl/Curve Slingplayer mobile beta. It is NOT designed for the Storm, it's buggy, it requires .83 or greater OS on your Storm (that is a leak), and is NOT compatible with an HD slingbox.
Try doing a search of the Storm Forums for both programs. If you get stuck I will dig up the threads for you.