Abbas S

This plugin helps to create a widget and shortcode to create featured blogs.
Following are the things done
A settings page created for featured. 
You can enter the blog id in the blog id: text box in the settings page and click on get blog details button . 
This will fetch( by AJAX ) get the blog name , blog link , and blog Avatar ( based on the avatars plugin ). 
It will also add two buttons 
 Add this blog -> Which will add this blog to the featured blog list 
Can -> it will not add the blog to the featured blog list. 
Then saving the settings will save it. The settings are saved different for each blog . 
Then the user can use the widget as follows . 
Drag the widget on a widgetize area. 
Enter the blogids in the widget , then those blogs will be used as featured blogs. 
If nothing is entered in the bloglist the blog list from the settings will be taken. 
The user can use the short code as follows
The user can specify the blog list in short code argument. For e.g:- [multisite_featured_blogs blogids=”3,2″].The those blogs will be displayed in the featured blog list. 
If the user passes no argument then in case the featured blog list will be taken from the settings. For e.g:- [multisite_featured_blogs]
This plugin was done as a part of some work done for http://premium.wpmudev.org/ , but was later not released. 
Thanks for all the help for this plugin from WPMU Dev

Multisite Featured Blog

This plugin helps to create a widget and shortcode to create featured blogs

smartaddons

Slider support 3 themes these you can select in widget’s config.It support multi widgets that mean you can show more than one slider on one page.
Theme 1 (Default): Display buttons navigation those you can click to go to image you want. Navigation display in center bottom with sweet effect when hover on it.
Theme 2: Show more post’s title, when change title will slide from left.
Theme 3: Show title and short description. Title and description will slide from left and right when change image.
More, when hover on slider next, previous buttons will appear from left and right.
Going through all featured posts by images will offer your Website opportunity to get more traffic and conversion.
=> Features slideshow widget <=
=* Data config *=
<ul>
<li>Select categories from category list (Posts has Featured image)</li>
<li>Support select orderby</li>
<li>Support select order</li>
<li>Could Set number of posts</li>
<li>Could set length of description</li>
<li>Support 3 themes (theme1, theme2, theme3)</li>
</ul>
=* Effect configs *=
<ul>
<li>
Time Interval: If value = 0 slider won’t auto run. If you want it auto run you can set value > 0 (unit: 1000 = 1s , best value > 3000)
</li>
<li>
Stop When Hover: Of course stop when hover on slider or not.
</li>
</ul>
<a href="http://www.smartaddons.com" rel="nofollow ugc">Plugin Home Page</a> | <a href="http://demo.smartaddons.com/#sw-slider" rel="nofollow ugc">Demo</a> | <a href="http://www.smartaddons.com/wordpress/plugins/item/488-sw-slider-free-responsive-wordpress-plugin" rel="nofollow ugc">Plugin Documentation</a>

SW Slider Responsive

SW Slider help you to show your images, posts with beautyful effects and design.

Multisite Featured Blog vs SW Slider Responsive