Insert your own code with Gadget

Hello In this Post I will tell you how to insert your code of any advertisement or any code with gadget.
Below picture appears when you add any gadget to your blog

1. when clicking edit content code of gadget appears.
2. paste your code at the ending code of gadget.
3. Or paste any Advertisement link
4. Or replace whole code with any other gadget code suppose if your adding recent post gadget but you want random post gadget replace whole code with random post code and replce title with random post
5. If you don't know how to show bring below page click following link and click Add widget to my blog.

http://bloggerplugins.org/installers/recentpostswiththumbnails.html