internal static IEnumerable<Tuple<string, string>> GetImagesFromUri(string title, Uri uri)
{
var href = uri.OriginalString;
var groups = hashRe.Match(href).Groups;
if(groups != null)
return new Tuple<string, string>[] { Tuple.Create(title, string.Format("http://www.picsarus.com/{0}.jpg", groups[1].Value)) };
else
return Enumerable.Empty<Tuple<string, string>>();
}