Edward

Slideshow Posts creates a new post type for Slideshows, great for creating Top 10 or other navigable content lists. Options include slide navigation settings and the ability to add the slideshow posts to your main congit ent feeds. Plays nicely and inherits styling with most themes.

Slideshow Posts

Lets you create slideshow articles/posts, such as Top 10 lists, etc.

simo90

Add related posts to your article is very simple. 
Choose your favourite layout from Setting/Related post Mwip. 
Create an article and enable related posts section choosing your favourite posts.

Very useful

Plugin gives you the possibility to choose related posts to put at the end of each post.

Slideshow Posts vs Related post Mwip