Our pals over at Grow Interactive (the team that helped make this site the excellence it is today) just launched a fun site promoting Lollapalooza 2007 called PaloozaHead. In traditional Grow-like viral fashion, the site allows you to upload your face to a performer and choose from dozens of options for shirts, pants, dance moves (even the OK-GO treadmill act), and of course music. Finally, when you ‘hit the stage’ it shows your character rocking the crowd and you can easily send a link of you making a fool of yourself across the internet to all your friends. Got a free minute and want a laugh? Check it out…