plainas

This is a very barebones plugin, it aims to do one thing well and nothing else. There are no fancy extra features. Just insert [postslideshow] on your post content where you want the slideshow to appear and you’re good to go. All the pictures of the current post will be included in the slideshow.
The dimensions of the gallery can be configured in options menu.

Post Slideshow Gallery

A simple plugin that displays post's pictures on a slideshow. Use the shortcode [postslideshow] to insert galleries on your posts.

benjaminniess

Simple Galleria for WordPress is a jQuery image gallery based on WordPress native galleries. You just need to associate some photos to your posts and to use the [gallery] shortcode.

Simple Galleria for WordPress

Simple Galleria for WordPress is a jQuery image gallery based on WordPress native galleries. You just need to associate some photos to your posts and  …

Post Slideshow Gallery vs Simple Galleria for WordPress