flash player in a asp.net 2.0 page

 Hello everyone,
I'm creating a small video sharing website that uses flash player to play videos. I've created a custom control to hold the flash player and added that to asp.net page. When I run it control loaded like a black rectangle. when i right click on the control it displays "movie not loadedd..."(and adobe flash player 10. so aparantly player gets loaded). I'm using asp.net 2.0, c# and MS internet exp. version 7.
please help me. thank you..

This is my custom control
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.Design;
using System.Drawing.Design;
using System.Web.UI.Design.WebControls;
using System.Web.UI.WebControls;

namespace MyWebControlLibrary
{
    [DefaultProperty("Text")]
    [ToolboxData(&qu ...