photos look dull on previews (zp-galleriffic theme)

Rousset

Hi! In pz-galleriffic theme, the preview mode display a light version a the original picture, which is dull compared to the full size display mode. Is there a way to fix this?

Thanks,

Jean-Pierre

acrylian

http://www.zenphoto.org/2009/03/troubleshooting-zenphoto/#48