i visit your site and see your style
i think you have problem to change logo of gry sky style
ok i well help you to do that follow me
your style well be like this

ok we start
first donlaowd logo
ok .. then goto cpanel
go to your style gry sky and then images
and uploal the new logo and chose overwrite logo
or change the name of old logo to any name
and the new logo be named logo
any question iwell be here