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.

foter

Foter is the easiest and fastest way to add Creative Commons photos to your blog. We find and host millions of photos from many online sources and make them available to be included in your blog posts.
This plugin lets you seach, manage and add Creative Commons photos to your blog posts in a very simple way.
Some of the features:
<ul>
<li>
Image resizing: flexibility and preview feature
</li>
<li>
Image download: you can use plugin or simply download image from foter.com website
</li>
<li>
Attribution info: all attribution information is automatically added to the photo, so you don’t need to add it manually
</li>
<li>
Search photos: you can search photos by tags or keywords
</li>
<li>
Speed: very fast and easy to use
</li>
</ul>
Website: <a href="http://foter.com/" title="Free Stock Photos Foter.com" rel="nofollow ugc">Free Stock Photos Foter.com</a>

Free Stock Photos Foter

This plugin lets you easily search, manage and add free photos (more than 180 mln of them) to your blog posts.

SimpleGal vs Free Stock Photos Foter