I can't seem to find any method to adjust privacy settings? I try to keep a very clean online footprint... to my surprise, when I google'd my user name, the German BookMooch website came up in the search list - now any person can see my entire mooch history.

Not really what I wanted, I'm trying to figure out how I can adjust settings to make this info non-searchable to non-members.

Try out your own ID here: de.bookmooch.com/mooched/XXXX (where XXXX is your username.