Then use one of those little remote controls that act as a keyboard. They even support media player buttons.
http://www.dealextreme.com/details.dx/sku.26368
Soitjes.
Maybe I don't understand the question correctly, but I think you can just connect the TV to a PC as a second screen (in Windows it's called Extended Desktop), and drag the windows that is showing the movie on the second screen (which is the TV).
Soitjes.
My Digital Home Server -...
Hi,
I've built a mediaplayer with a little mini-ITX PC. I had planned to use a commercial package, but in the end I wrote everything myself.
The functions are audio, video, photo slideshow, Google Calendar, weather forecast, calculator and phone calls with Skype. This is what it looks like ...