When i click Visualization button in tool ,amarok tells me that i Might not have libvisual or libvisual-plugins...i got them both. I'm using gentoo and these versions:
amarok 1.4.10-r1
media-libs/libvisual-0.4.0-r1
media-plugins/libvisual-plugins-0.4.0-r2

Here is my emerge --info:
Portage 2.1.6 (default/linux/x86/2008.0/desktop, gcc-4.1.2, glibc-2.9_p20081201-r0, 2.6.25-gentoo-r8 i686)
=================================================================
System uname: Linux-2.6.25-gentoo-r8-i686-AMD_Athlon-tm-_XP_2000+-with-glibc2.0
Timestamp of tree: Mon, 08 Dec 2008 16:45:01 +0000
app-shells/bash:    3.2_p33
dev-java/java-config: 1.3.7, 2.1.6
dev-lang/python:    2.5.2-r7
dev-util/cmake:      2.6.2
sys-apps/baselayout: 1.12.11.1
sys-apps/sandbox:    1.2.18.1-r2
sys-devel/autoconf:  2.13, 2.61-r2
sys-devel/automake:  1.4_p6, 1.5, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.1-r1
sys-devel/binutils:  2.18-r3
sys-devel/gcc-config: 1.4.0-r4
sys-devel/libtool:  1.5.26
virtual/os-headers:  2.6.23-r3
ACCEPT_KEYWORDS="x86"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-march=athlon-xp -O2 -pipe -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/kde/4.1/env /usr/kde/4.1/share/config /usr/kde/4.1/shutdown /usr/share/config"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/splash /etc/terminfo /etc/udev/rules.d"
CXXFLAGS="-march=athlon-xp -O2 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="ccache distlocks fixpackages parallel-fetch protect-owned sandbox sfperms strict unmerge-orphans userfetch"
GENTOO_MIRRORS="http://distfiles.gentoo.bg/"
LC_ALL="bg_BG.utf-8"
LDFLAGS="-Wl,-O1"
LINGUAS="bg en"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/portage/local/layman/desktop-effects /usr/portage/local/layman/sunrise /usr/local/portage"
SYNC="rsync://rsync.gentoo.bg/gentoo-portage/"
USE="3dnow X acl acpi alsa berkdb bluetooth branding bzip2 cairo cdr cli cracklib crypt cups dbus directfb dri dvd dvdr dvdread eds emboss encode esd evo fam fbcon fortran gdbm gif gnome gpm graphviz gstreamer gtk hal iconv imagemagick ipv6 isdnlog joystick jpeg kde kde4 kdeprefix lcms ldap libnotify mad midi mikmod mp3 mpeg mudflap ncurses nls nptl nptlonly nvidia ogg opengl openmp pam pcre pdf perl png ppds pppd python qt3 qt3support qt4 quicktime readline reflection sdl session spell spl sse ssl startup-notification svg sysfs tcpd tiff truetype unicode usb vorbis win32codecs x86 xml xorg xulrunner xv zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="bg en" USERLAND="GNU" VIDEO_CARDS="nvidia nv"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, LANG, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

Anyone know something i can try to make this working ?

nobody ?