dath

With the SimpleGal plugin you can simply create galleries. 
Just upload your images, add the SimpleGal Shortcode to your posts or pages and the gallery will appear. 
For an optimal gallery view you should install a lightbox plugin.
Mit dem SimpleGal Plugin kannst du ganz einfach Galerien erstellen. 
Einfach deine Bilder hochladen, den SimpleGal Shortcode deinem Artikel oder deiner Seite hinzufügen und schon ist deine Galerie fertig. 
Für eine optimale Galerie-Darstellung solltest du ein Lightbox-Plugin installieren.
Available languages: English and German

SimpleGal

Create an Image-Gallery in 5 simple Steps. Just add the shortcode to your posts.

shanarelle

A WordPress widget that accepts a set of image preferences and a 500px api key. Will show up as a title and a button in your sidebar. When someone clicks the button it will search 500px for an image matching your preferences and display a result in a lightbox style popup. Each click will likely have a different result, so it should help give you some ideas.

SimpleGal vs Nature Inspiration