errrr. problems.

firstly when i goto upload images the screen that comes up is off screen and i cant scroll to get to whre it says

Img Url Ect.

+ how can i add a link home in the widets on the pages section!

also i try to change my banner buy editing the kubrick header image and then uploading it over the old one and it never changes my hheader, but when i download the file i uploaded to my server its the edited version, and therefore i think its osmething todo with wordpress!

help is appreciated!