Pirate Box file sharing suggestions

Hello. [br][/br] I have a small freestanding file sharing device, made from TP-Link router, called a PirateBox. [br][/br]It creates it's own WiFi and allows anonymous file sharing. I have added a few of the the free THC episodes to it. [br][/br] Does anyone have any suggestions for more "free" content I can put on it? PDFs, audio, video?
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Thanks!
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*edited to add line breaks