static Avatar DefaultImage(string description, int width, int height)
{
var themeAvatar = HttpContext.Current.Server.MapPath(
string.Format("{0}themes/{1}/noavatar.jpg", Utils.RelativeWebRoot, BlogSettings.Instance.Theme));
var uri = new Uri(
System.IO.File.Exists(themeAvatar) ?
string.Format("{0}themes/{1}/noavatar.jpg", Utils.AbsoluteWebRoot, BlogSettings.Instance.Theme) :
string.Format("{0}pics/noavatar.jpg", Utils.AbsoluteWebRoot)
);
var imageTag = string.Format(
"<img src=\"{0}\" alt=\"{1}\" width=\"{2}\" height=\"{3}\" />",
uri, description, width, height);
return new Avatar { Url = uri, ImageTag = imageTag, HasNoImage = true };
}