Update SharePoint UserInfo List with More Active Directory Info

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Xml.Serialization;

namespace Mullivan.SharePoint.WebParts
{
    public class LibNavLink
    {
        public LibNavLink()
        {
            this.Id = Guid.NewGuid();
        }

        [XmlAttribute("id")]
        public Guid Id { get; set; }
        [XmlAttribute("title")]
        public string Title { get; set; }
        [XmlAttribute("listUrl")]
        public string ListUrl { get; set; }
        [XmlAttribute("displayField")]
        public string DisplayField { get; set; }
        [XmlElement("Query")]
        public string Query { get; set; }
    }

    [XmlRoot("Links")]
    public class LibNavLinkCollection : List<LibNavLink>
    {
    }
}