Demo:

http://codecanyon.net/item/multi-iradio-unlimited-radio-iad-make-money-/337002

How to activate your secret reservoir of backlinks…
…how to get your sites indexed faster and ranked higher…
…and how to turn this into a $497-a-throw service business

Demo:

http://www.digilinkdoctor.com/

WP Turbo is an auto blogging plugin for WordPress, Create niche blogs on any subject you can think of, mix in videos, music, affiliate products and more…

Create a video blog, a lyrics website, a cookery site, a job listings board, a twitter aggregator, flash games portal or coupon codes site. You name it and there’s a good chance WPTurbo can create it.

Item:

http://wpturbo.com/

Successful LePopup plugin of LeScripts series is now available also in WordPress version! Clear and simple management, easy and reliable handling, this all comfortly in WordPress administration. Set up sessions, automatic show and close and many more, also upcoming features that will renew and boost your site like no other popup before! Simple way to be popupped!

Item:

http://codecanyon.net/item/lepopup-wordpress/1129913

This Premium YouTube Plugin for WordPress enables you to integrate not only single YouTube videos into your blog posts and pages, but also full YouTube channels and featured YouTube videos (Most Popular videos, Most View videos etc) that you can filter by date (weekly, daily, all time etc).

Item:

http://codecanyon.net/item/youtube-premium-videos-integration-for-wordpress/233547