There are plenty of websites online which offer Internet TV services. Although you cannot expect all of the channels that they offer in high quality like they say, you do get a couple of channels which is sufficient enough for me. So, it is worth checking it out. Keep in mind, however, that you do not get all the chanels at the same time. Some of them go offline once in a while. But check out http://offto.net/internettv_ce13/ for a review.
References :
http://tvonpcthroughinternet.com