Try nifty tag combos by putting a + between the tags you want to look for in the url:
… for all media, (books, music, dvds) tagged with romance and comedy.
there’s several options: after lib.rario.us you can put /media /dvds /music or /books (“media” being the catch-all.) after that, if you want to restrict to just a specific user you can add their username…
… for all my dvds.
if you wanted to restrict it to any specific tags, add /tag/(tagyou’relookingfor).. so if you wanted, say, all my scifi books: