How can I make background with the other thumbs of photo gallery ajax darker?

Q: I use VisualLightBox app. It generates really cool galleries. Just one thing that I need to know...
When i click on an thumbnail, the image pops up but the background with the other thumbs are not dark enough.
What can I do ?

A: Thanks for your interest in our products.

Open generated "visuallightbox.js" file in any text editor (for example, Notepad), find
following parameter:


and set value you need (for example, 0.85).