How to add image in @Html.ActionLink , ASP.Net MVC

public static class CustomHtmlHelepers   
{     
   public static IHtmlString ImageActionLink(this HtmlHelper htmlHelper, string linkText, string action, string controller, object routeValues, object htmlAttributes,string imageSrc)     
   {         
     var urlHelper = new UrlHelper(htmlHelper.ViewContext.RequestContext);         
     var img = new TagBuilder("img");         
     img.Attributes.Add("src", VirtualPathUtility.ToAbsolute(imageSrc));         
     var anchor = new TagBuilder("a") 
                            { 
                              InnerHtml = img.ToString(TagRenderMode.SelfClosing) 
                            };         
     anchor.Attributes["href"] = urlHelper.Action(action, controller, routeValues);         
     anchor.MergeAttributes(new RouteValueDictionary(htmlAttributes));          

     return MvcHtmlString.Create(anchor.ToString());      
    }   
}


and in View you can use it this way:

@Html.ImageActionLink("Link Display Text","Index","Home",null,null,"~/images/untitled.png")