Ranjith Siji

This plugin create a widget which will display a configured post type (From Custom Post Type – WordPress 3.0) with its featured image. You will also get a drop down list of post titles posted in that type. Select a post type and click go. Using Ajax it will load the selected content.
You can use this plugin to display a post types with image . This plugin uses Jquery for ajax. It is working with wordpress 3.0 only. Because custom post type is introduced in wordpress 3.0
I taken codes from
BNS Featured Category Plugin
Ajax Categories Posts Dropdown 
* Copyright 2009-2010 Ranjith Siji (email : ranjith.sajeev@gmail.com)
This program is free software; you can redistribute it and/or modify 
 it under the terms of the GNU General Public License version 2, 
 as published by the Free Software Foundation.
You may NOT assume that you can use any other version of the GPL.
This program is distributed in the hope that it will be useful, 
 but WITHOUT ANY WARRANTY; without even the implied warranty of 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
 GNU General Public License for more details.
You should have received a copy of the GNU General Public License 
 along with this program; if not, write to the Free Software 
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
The license for this software can also likely be found here: 
 http://www.gnu.org/licenses/gpl-2.0.html

Featured Post Type

Displays most recent posts from a specific post type and a drop down to select previous entries.

Edward Caissie

Plugin with multi-widget functionality that displays most recent posts from specific tag or tags (set with user options). Also includes user options to display: Tag Description; Author and meta details; comment totals; post categories; post tags; and either full post, excerpt, or your choice of the amount of words (or any combination). 
Copyright 2009-2015 Edward Caissie (email : edward.caissie@gmail.com)
This program is free software; you can redistribute it and/or modify 
 it under the terms of the GNU General Public License version 2, 
 as published by the Free Software Foundation.
You may NOT assume that you can use any other version of the GPL.
This program is distributed in the hope that it will be useful, 
 but WITHOUT ANY WARRANTY; without even the implied warranty of 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
 GNU General Public License for more details.
You should have received a copy of the GNU General Public License 
 along with this program; if not, write to the Free Software 
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
The license for this software can also likely be found here: 
 http://www.gnu.org/licenses/gpl-2.0.html

BNS Featured Tag

Displays most recent posts from a specific featured tag or tags.

Featured Post Type vs BNS Featured Tag