Nick

bankofcanada

AJAX Scroll links an AJAX-enabled page scroller to the standard next and previous post links.
Clicking on a next or previous link will cause the current page to fade and slide out; the following page will slide and fade in.

Ajax Scroll

Turns standard 'next' and 'previous' post links into animated AJAX scrolling.

tonnaer

A free, small (only 13Kb) flash slide show widget, that can easily be integrated 
into your WordPress 3.4 website, and can be entirely (or almost) personalized 
through a bunch of parameters.
New features: 
* A title can be set 
* Slides can be loaded through a proxy, enabling cross domain image loading 
* The transparancy of the slide show’s background can be set 
* A watermark image, its transparancy, position and full-window display can be set 
* A new border type: image 
* The possibility to set a different target window for each slide 
* The possibility to load all images (jpeg, gif and png) in a folder 
* The possibility to use dynamic xml creation, which should resolve any write permission problems 
* The possibility to choose if images must be resized to fit the slideshow window
Other features: 
* also works if you’ve given <a href="https://codex.wordpress.org/Giving_WordPress_Its_Own_Directory" title="Giving WordPress its own directory" rel="nofollow ugc">WordPress its own directory</a> 
* works with redirects 
* works with permalinks 
* height and width can be set 
* 28 transition types 
* links can be enabled (one for the whole slide show, or one for each slide) 
* slides can be shown in forward, backward or random order 
* border style, color, width and transparancy can be specified 
* caption can be text or image 
* caption can be the same for the whole slide show, or a different one for each slide 
* caption characteristics (position, style, font, fontsize, color, transparancy, etc) 
 can be specified 
* you can have more than one slide show on your pages. 
* etc.

Creative Clans Slide Show

A free widget to use the Creative Clans Slide Show in your Wordpress website.

Ajax Scroll vs Creative Clans Slide Show