How to get Skydrive images present in pictures gallery in windows phone 8 from code behind

Revision 2
Hi,

Can anyone help me in getting the skydrive images present in pictures gallery windows phone 8 from code behind. I am able to get all other pictures except the Skydrive images and i have used the following code.

MediaLibrary mediaLibrary = new MediaLibrary();
foreach (var picture in mediaLibrary.Pictures)
{
BitmapImage image = new BitmapImage();
image.SetSource(picture.GetImage());
MediaImage mediaImage = new MediaImage();
mediaImage.ImageFile = image;
lstImages.Items.Add(mediaImage);
}

your valuable suggestions are welcome