Get Json Api

If you need to get the information from another site or your site using JSON API (https://wordpress.org/plugins/json-api/) you can use this plugin.
For slideshow this plugin use Cycle2 (http://jquery.malsup.com/cycle2).

Shortcode

[getapi url="www.mysite.com" limit="5" type="[CYCLE or LIST]"]:

• url: url before ?json=get_recent_posts

• limit: number element of json result

• type: “Cycle” is a slideshow of thumbs or “List” is the list of post titles