No puedo configurar imagen y sonido

[calistro35]

Deseo ayuda para configurar Skype.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: yelp 3.0.0-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-15.61-generic 2.6.38.8
Uname: Linux 2.6.38-15-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sun Jul 8 18:00:14 2012
ExecutablePath: /usr/bin/yelp
ProcEnviron:
 LANGUAGE=es_ES:en
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
UpgradeStatus: Upgraded to natty on 2011-11-12 (238 days ago)
XsessionErrors:
 (gnome-settings-daemon:1394): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
 (gnome-settings-daemon:1394): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
 (software-center:2072): IBUS-WARNING **: Connect to unix:abstract=/tmp/dbus-7DTTBhtkrN,guid=0fbacb1b8a6116797f55a2c04bdaef92 failed: Failed to connect to socket /tmp/dbus-7DTTBhtkrN: Conexión rehusada.
 (polkit-gnome-authentication-agent-1:1430): IBUS-WARNING **: Connect to unix:abstract=/tmp/dbus-7DTTBhtkrN,guid=0fbacb1b8a6116797f55a2c04bdaef92 failed: Failed to connect to socket /tmp/dbus-7DTTBhtkrN: Conexión rehusada.

[dino99 (9d9)]

Natty has expired