1. In a new window login to Blogger and navigate to Design > Page Elements
2. Click on Add a Gadget in the sidebar. If you are using a customized template you may have 2 different sidebars so decide which you want the banner ad to display in.
3. Select HTML/Javascript widget from the Add a Gadget menu
4. Place your mouse in the content box of the Configure HTML/Javascript widget and right click. Choose paste to insert below code into the content box
Change src="your flash address" with your falsh file address url
Yes you have done, Don't forget to comment if you like it