I found this cool post on how to use azure blob storage to store your images. This post includes some source code (C#) to upload the images. Nice!
To all the customs trying our CTP - the timebomp is activated and you probably getting the following message: "The evaluation period for Visual Studio Trial Edition has ended". There is a work around for the VPC version in Jeff's blog and you can find similar solution for HyperV in Cameron's blog .