So, I was fiddling with things and I got the sourcetv recorder to work, and had playable demos.

Unfortunate thing is that the demos for prophunters do not work; players walk around with no animation, vanishing from vision when they copy a prop.

Error: Scripted Entity gmod_hands couldn't be created! No Base Module (scripted_ents)
Error: Scripted Entity gmod_hands couldn't be created! No Base Module (scripted_ents)
Error: Scripted Entity ph_disguise couldn't be created! No Base Module (scripted_ents)
Error: Scripted Entity gmod_hands couldn't be created! No Base Module (scripted_ents)
Error: Scripted Entity gmod_hands couldn't be created! No Base Module (scripted_ents)

spews into the console during play also.