The fix for MVP 2005 also happens to work for FIFA World Cup 2006. :lol:
http://www.widescreengamingforum.com/node/5825
Follow the instructions and FIFA will switch to 1680x1050x32 when the match starts, NOT IN THE MENUS.
Also, after you've done this, the resolution in the menu will still say '800x600x32' (or whatever resolution you choose to overwrite) but the resolution will actually be 1680x1050x32. Use a program like FRAPS to take a screenshot if you want to confirm it for yourself.
Did the World cup 2006 hack worked for you SMS? I followed the instructions (Third, load mvp2005.exe into the hex editor.
Fourth, in this part, you will change 800x600 mode to 1920x1200.
Find (ctrl + F) ' 20 03 00 00 58 02 '
Overwrite it with ' 80 07 00 00 B0 04 ' ) but it can't find that value anywhere in the world cup.exe file.