How to get rid of album cover art and how to hide music on ipod touch?

ok heres my story, whenever my dad goes near my ipod i have a panic attack, only becuase hes nosy, i live in a house where if there is any music with profanity or blasphemy or anything they dont like will have to be deleted. he barely ever checks my ****, but the only reaosn why he checked my new ipod today(just got it after a mishap with the other one last year) was becasue i seemed nervouse when he came into the room, thankfully he didnt take much of a close look at my music, because if he did he wouldnt have liked it all, so plz help me, i need to find away to either get rid of the album artwork(tried deleting it on every song because it wouldnt let me directly delete the albums artwork but it still showed the albums artwork and only wouldnt show you it when looking at the song, also if theres a way to hide it with an app or hide with sonething else on the ipod touch, reaosn why im doing thisis that the american idiot album may come to his attention, thats the my only huge problem, thats one of my fav album and it just has to start with an a. only reaosn why i dont want him to see it is becuase i could not find a clean version on itunes, so please help me.