@foreach (var item in Model) {
        <img src="/Content/RetrieveImage/@item.ID" alt="" /> }

public ActionResult RetrieveImage(int id)
    {
        System.Threading.Thread.Sleep(500);
        byte[] cover = GetImageFromDataBase(id);
        if (cover != null)
        {
            return File(cover, "image/jpg");
        }
        else
        {
            return null;
        }
    }


    public byte[] GetImageFromDataBase(int Id)
    {
        var q = (from temp in db.Contents where temp.ID == Id select temp.Thumbnail);
        byte[] cover = q.First();
        return cover;
    }