Looks like there is a problem with the filter if you use other image sizes than the “icon” size. We’ve tested it, with “icon” it’s working, if you choose another size, it’s not working anymore. We will make an update for this issue as soon as possible.
The nivo slider is not working because there are no images in the slider. You have to set it up like this
[slideshow type=”nivo” … ]
[/slideshow]