Anyone streaming desktop to Panasonic TV?

Is anyone successfully streaming their PC desktop to a (recent vintage) Panasonic TV as described in this Serviio wiki http://wiki.serviio.org/doku.php?id=stream_pc?
As you can read in the "Streaming desk top to tv" thread beginning here: http://forum.serviio.org/viewtopic.php?f=4&t=4660&start=80#p35081 and going on until P15, I'm having severe difficulties in so doing.
I can display photos & videos from my PC via my network thanks to Serviio onto my remote Panasonic TX-L37GW20 TV in high quality, but my best efforts at streaming my desktop to the TV end up with poor image quality (on-screen objects fuzzy, "ghosting" and "pulsing/beating" at 2-3x/sec) and with the image severely overscanned (bottom row of my 2-row taskbar cut off and the other 3 desktop edges similarly cut off) despite my very capable 6-core CPU and other hardware to match.
As you can read in the "Streaming desk top to tv" thread beginning here: http://forum.serviio.org/viewtopic.php?f=4&t=4660&start=80#p35081 and going on until P15, I'm having severe difficulties in so doing.
I can display photos & videos from my PC via my network thanks to Serviio onto my remote Panasonic TX-L37GW20 TV in high quality, but my best efforts at streaming my desktop to the TV end up with poor image quality (on-screen objects fuzzy, "ghosting" and "pulsing/beating" at 2-3x/sec) and with the image severely overscanned (bottom row of my 2-row taskbar cut off and the other 3 desktop edges similarly cut off) despite my very capable 6-core CPU and other hardware to match.