Well... it just works... or something...

Why don't you start with explaining what it is you want to achieve? Continue with what you've done so far to get to achieve your goal and where are things going ugly?

Viewing your desktop on your n900 and streaming media are two quite different topics. For media one would use Knots2, for desktop forwarding something like RDP, X11 or whatever floats your boat.

But start with defining what it is you want and what is not working.