If you are sure you have done everything right, but the flash movie is still not showing, try one of these solutions:
1- Remove the <noscript> </noscript> tag from around the movie object.
2- Look in your <head></head> tag, if you have a line similar to
<script src="Scripts/AC_RunActiveContent.js "type="text/javascript"></script>
Make sure the: (Scripts) is a directory in the same directory that contains the flash files. If not, fix it to point to the right directory.
3- Make sure you have the AC_RunActiveContent.js file is in the Scripts directory.
4- If you are on a case sensitive server, make sure the names of the files and folders are exactly the same in your html code.
5- If you are still having a problem, maybe it is your flash player. Re-Install the flash player from adobe.com
6- Still having the problem?!? Try viewing your page in a different browser. If it works in a different browser, go through steps 1 to 4 again!