Matthew Petroff

I just pushed version 1.1.2, which should now work with text widgets. There’s a chance it will also work with your gallery widget, but I doubt it. Since I designed Slenderbox to require a special attribute on image links to activate it, so one could choose to only use it on certain images on a page, the gallery widget output needs to be modified to add this. Unfortunately, the gallery widget you’re using seems to render directly to the page, so there’s no way for another plugin to alter its output.

Is the gallery in a text widget or some other special kind of widget? If it’s in a text widget, this is an easy fix.

The lightbox just sets the image size; the browser handles the actual scaling. Different browsers use different algorithms, and there isn’t much that can be done to control this. There is the image-rendering CSS property, which you can try setting on #sboxImg, but I’m not sure if it will do what you want.

https://developer.mozilla.org/en-US/docs/Web/CSS/image-rendering

Search for #sboxImgH{background-color:#fff; in slenderbox.css and replace #fff with the color you prefer.