Wordpress Downgrade Plus More

I Need Someone To Downgrade My Wordpress 3.5 to the Previous Version I Think It Was 3.4.2. Once That's Done I Need The Coder To Make Sure The Flash Player Works With FireFox (If Possible) The Player Comes From [login to view URL] you can see the player at [login to view URL] you can see that it doesnt show up using the firefox browser. The website is www.saynomo.com. One Last Thing If You Can Fix It Where The Featured Mixtapes Pictures And Side Banners Don't Pop Up In The Middle Of The Screen When You First Visit The Site That Would Be Great. LET ME KNOW WHAT YOU CAN DO.