everything in its place, or, where are xmms/skins directory and nautilus/themes

I downloaded a new skin for xmms, but I didn't find a dir like xmms/skins to put it (sorry if it seems silly, but I'm a 3-day newbie). the same I can say for this theme http://jimmac.musichall.cz/themes.php3?skin=2 The creator, Jakub "Jimmac" Steiner, says "Download and untar to ~/.nautilus/themes/" but I don't know where it stays. a. -- Adagilson Batista Bispo da Silva Bibliotecário FIOCRUZ-Centro de Pesquisa Ageu Magalhães Fone 81 3302-6524