http://mponpsecu5qaqu4s7chzbldsp6hu45pwecvr72m26xbf6lo3slqo6tad.onion/docs/INSTALL.html
If you wish to enable this function you should first ensure the correct path for uploadable avatars is set in Administration Control Panel -> General -> Board Configuration -> Avatar settings . By default this is images/avatars/uploads , but you can set it to whatever you like, just ensure the configuration setting is updated.