You might have got the format of the files you added wrong, if you replace a part of the GUI that was previously a .JPG file with a .PNG file it will not work without modifications to the code.
@Gamzee: > i was searching for broojos deal with it dog. didn't find it. Lol, its in this thread: http://www.touchofdeathforums.com/smf/index.php/topic,79129.0/topicseen.html
Yep, very excited for GW2 :D I'm sure it will be a let down, a grind fest and the servers wil crash/lag heavily on the first day because popular online game launches NEVER get it right.