In a recent update - Bookmarked items in del.icio.us that end in one of a number of filetypes will now automatically get some system tags added. You can use these just like normal tags. So if you are looking for mp3 files - See the system:filetype:mp3 tag
Smarking is a social bookmarks manager. * Save all your bookmarks online, ready to be accessed everywhere * Learn more about your favourite arguments * Make some of your bookmarks public, private or visibles only to your friends * T