If you are having problems with the notification bar icons, like Skype for example, meaning the process runs in the background but the icon in the notification area is not shown, then you need this quick fix: To fix the missing Skype icon in Unity, press alt + f2 and enter “compiz –replace”...

Unusual Smileys for Skype Messenger (bandit) Face with balaclava (drunk) A drunken smiley (rock) A smiley making the rock / evil sign (smoking) A smoking smiley (banghead) A furious smiley banging his head against a wall (finger) A smiley showing his middle-finger (fubar) Angry smiley pointing finger...