You can add a poll on the side of your blog page. To create a poll, go to the Poll tab from within the Options page.
To create a new poll, click on Create New Poll link within the Poll tab, and this will automatically link to the Create a New Poll page. If you have made polls before, the list of past poll topics are displayed with the Poll tab along with the results. You also have the option of deleting past polls.
After you create a poll, check Display and click Save to display the poll on the side of your blog.
Check your blog page to see if the poll is displayed.