Minecraft Skin Donwloader (2.0) (form code)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;

namespace GetSkins
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            if (!Directory.Exists("skins"))
            {
                Directory.CreateDirectory("skins");
            }
            InitializeComponent();
            WebClient wc = new WebClient();
            wc.DownloadFile("http://www.minecraft.net/skin/char.png", "char.png");
            pictureBox1.ImageLocation = "char.png";
            wc.Dispose();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            bool beta = true;
            WebClient wc = new WebClient();
            string haspaid = wc.DownloadString("http://www.minecraft.net/haspaid.jsp?user=" + textBox1.Text);
            if (haspaid.Contains("true"))
            {
                try
                {
                    wc.DownloadFile("http://s3.amazonaws.com/MinecraftSkins/" + textBox1.Text + ".png", "skins/" + textBox1.Text + ".png");
                }
                catch
                {
                    beta = false;
                    pictureBox1.ImageLocation = "char.png";
                    MessageBox.Show("User has paid but no image was found... You have probably made a mistake with the upper and lowercase characters", "No image", MessageBoxButtons.OK);
                }
                try
                {
                    pictureBox1.ImageLocation = "skins/" + textBox1.Text + ".png";
                }
                catch
                {
                    beta = false;
                    pictureBox1.ImageLocation = "char.png";
                    MessageBox.Show("User has paid but no image was found... You have probably made a mistake with the upper and lowercase characters", "No image", MessageBoxButtons.OK);
                }
            }
            else
            {
                MessageBox.Show("User hasn't bought minecraft", "not bought...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
            }
            if (beta)
            {
                File.Delete("char.png");
            }
            label2.Text = textBox1.Text;
            label2.Visible = true;
            textBox1.Text = "";
        }

        private void textBox1_Click(object sender, EventArgs e)
        {
            textBox1.Text = "";
            if (File.Exists("char.png"))
                File.Delete("char.png");
        }

        private void button4_Click(object sender, EventArgs e)
        {
            Application.Exit();
            if (File.Exists("char.png"))
                File.Delete("char.png");
        }

        private void button3_Click(object sender, EventArgs e)
        {
            string path = "skins";
            System.Diagnostics.Process.Start(path);

            if (File.Exists("char.png"))
                File.Delete("char.png");
        }
    }
}