I have fixed the "Hack Furniture Placement" checkbox and improved it so that your character is no longer frozen in place while it is checked. However, almost everything else in the game WILL be frozen. This might be useful for something? In general, the server controls the actual position of everything, so it probably isn't useful, but who knows.
The following chat commands have been added:
/rendernomobs — Toggles Render No Mobs ON/OFF.
/renderonlypt — Toggles Render Only Party ON/OFF.
/renderonlyfr — Toggles Render Only Friends ON/OFF.
/renderonlyfc — Toggles Render Only FC ON/OFF.
These additions require updating Speeder to version 20336.