Free $2 MP3 Credit from Amazon

Amazon is offering a free $2 credit that is good towards the purchase of any MP3 Album.  You will need to have a Twitter account to get this free credit.  They also have a nice selection of Albums on sale for just $5.  Some of the titles include:

A Very She & Him Christmas by She & Him

Parachutes by Coldplay

One Of The Boys by Katy Perry