private static void CreateHorizontalSlides(string resource, bool haveScores)
{
var horizontals = photos.Values.Where(p => p.horizontal).OrderByDescending(p => p.tags.Count).Select(p => p).ToList();
while (horizontals.Count >= 1)
{
var p = horizontals.First();
horizontals.Remove(p);
Slide slide = slideShow.AddPhoto(p);
Console.Write(string.Format("Preparing horizontal slides - remaining {0}\t\t\t\r", horizontals.Count));
}
}