well, most of these questions are going to be better answered over at WDLXTV - trying to keep some separation between official firmware and custom fw
but just a bit here
majority of those links you can ignor
http://forum.wdlxtv.com/viewtopic.php?f=23&t=7663&start=0 - this is an ok reference, at least for how to do the boot process
http://community.wd.com/t5/WD-TV-Live-Streaming/Getting-around-the-30MB-theme-limit-and-repointing-the-SMP-to/m-p/631463/highlight/true#M25055 - Defintely ignor this
http://forum.wdlxtv.com/viewtopic.php?f=23&t=8707 - this is the firmware you should run
The way this firmware has been designed so that you don’t need any cmd line, etc …
it’s availabe if you want it, but not needed
you just go through the windows boot process
anways, how about we continue the conversation at http://forum.wdlxtv.com/viewtopic.php?f=23&t=8707