Wallpaper may have musty associations with old-fashioned, feminine interiors, but didn't you get the memo? All that's changed now. New methods of printing and designing wallpapers (ie computers and photography) have broken the medium wide open, yielding all sorts of fresh ideas. And of course, some old methods and materials, like cork, remain classic choices for any interior. Here is a roundup of the brawniest, broodiest and most manly wallpapers around.