alright it seems the middle pulley is lose in my car and at first they said it was my supercharger because they could hear play in it...should both be covered under warrenty?

 

looks like your idle pully is bad. i got mine replace at a small shop. I was too far from the dealership.

 

So what is the actual problem? Are you getting noise? Perfromance reduction? or does it look loose.

The supercharger idler pulley looks like the one you are concerned with. check the nut that holds it on for looseness. Spin it by hande, does it wobble? it is a solid piece that the idler pulley is mounted on supercharger unit. If it is dealer installed and you are still in warranty, then you have a warranty issue.