I think in general this gallery looks great. However, I find that it does have 3 main mistakes and therefore I might have to replace it with another plugin.

1: When you are on the phone and click on a picture, you get the grey overlay with the title, but when you click again it doesn't disappear. To see that picture again, you then have to click on another picture. This gives an unprofessional feel to the gallery.

2: I don't see the option to have the pictures shown in a lightbox, when you click on them, so the viewer has the possibility to see the picture on full screen.

3: I prefer not to have the Lazy Load option on, as I have more things on the page, under the gallery. When you don't use the Lazy Load and has a filter with different categories, the pictures in the categories will not automatically show up, if they are not among the first loaded pictures of the original gallery. So if you, for example, have a gallery with 9 pictures and then the "Load More" option, it will only be the "Load More" button showing up, when you choose a category that does not have any pictures within the first 9 pictures of the gallery. A similar issue comes with the Lazy Load also. The pictures still don't show up, before you scroll down a little. This again I think gives an unprofessional feel to the gallery.