Fresh pidgin Installation
sudo apt-get update
sudo apt-get install pidgin
Earlier versions of pidgin has problem in connecting yahoo messenger which is solved in newer versions.
In order to update old version of pidgin, simply follow instructions written below and you are done.
New version provides video and voice chat, also buddy icon improvements are added.
Add GPG key
sudo apt-get update
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A1F196A8
Goto System > Administration > Software Sources and select Third-Party Software tab and click ADD. And Simply Copy-Paste the following Repo
deb http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu intrepid main
deb-src http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu intrepid main
Josh Software 