It might be worth starting with a sample of PhotoSky on Github that gets all the custom photos. Take a look at the code in the "Data Model" as it has functions for loading data from an album, for example:
public async void LoadData()
{
LiveConnectClient client = new LiveConnectClient(App.Session);
LiveOperationResult albumOperationResult = await client.GetAsync("me/albums");
dynamic albumResult = albumOperationResult.Result;
foreach (dynamic album in albumResult.data)
{
var group = new SkyDriveAlbum(album.id, album.name, album.name, @"ms-appx:///Assets/DarkGray.png", album.description);
LiveOperationResult pictureOperationResult = await client.GetAsync(album.id + "/files");
dynamic pictureResult = pictureOperationResult.Result;
foreach (dynamic picture in pictureResult.data)
{
var pictureItem = new SkyDriveItem(picture.id, picture.name, picture.name, picture.source, picture.description, picture.description, group);
group.Items.Add(pictureItem);
}
this.AllGroups.Add(group);
}
}