[Plugin: NextGEN Gallery] Lightbox Customization

hi,

i want my lightbox to look like that http://www.ebadidon.be/presse/presse-lebadiscaphe/
but i don’t wanna replace the white margin in my lightbox pictures…

i just wanna keep the white and have the black one all around the white one…

can anybody help?

Regards

http://wordpress.org/extend/plugins/nextgen-gallery/