Thumnails are blurred

Hey, I'm just setting up a gallery. I'm using the metro style for the thumnails and most oft pictures are totally blurred. Is there a setting that thumbnails are using the original proportions and are cutting sides to fit in the preview grid?
familienbandeseifert.de/index.php/fotoga...desamtliche-hochzeit

Regards

Hello,

Thank you for contacting us!

We can't see your gallery
nimb.ws/ncLIhD

You can adjust thumbnail quality in gallery settings


Best Regards,
Vyacheslav, Balbooa Support Team