int picbox;
            PictureBox pic = new PictureBox();
            pic.Height = 40;
            pic.Width = 40;
            pic.Top = rnd.Next(0, this.Height - 150);
            pic.Left = rnd.Next(0, this.Width - 130);
            pic.SizeMode = PictureBoxSizeMode.StretchImage;
            this.Controls.Add(pic);
            picbox = rnd.Next(1, 4);
            if (picbox == 1)
            {
                pic.Image = Image.FromFile(Application.StartupPath + @"/../../images/image1.jpg");
                pic.Tag = "1";
            }
            else if (picbox == 2)
            {

                pic.Image = Image.FromFile(Application.StartupPath + @"/../../images/image2.jpg");
                pic.Tag = "2";
            }
            else if (picbox == 3)
            {
                pic.Image = Image.FromFile(Application.StartupPath + @"/../../images/image3.jpg");
                pic.Tag = "3";
            }
            else if (picbox == 4)
            {
                pic.Image = Image.FromFile(Application.StartupPath + @"/../../images/image4.jpg");
                pic.Tag = "4";
            }