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When you're done recording and editing, save your screencast as an HD video file or upload it directly to You Tube.
This would have added to the already adept recording capabilities.
Set button to enable|disable in minecraft control settings.
If yo turn off the mod, you will teleported on place from you start spectrating.
Does not seem to contain any sort of hostile-scripts that mess with PC/Minecraft for you extra paranoid people out there.
, and have not been able to find any that aren't trying to scam me (the one link from another thread I found tries to tell you you have a virus...).