Login to your blogger blog and then select the blog you want to add this widget manually to.
Now is either you create a new post or your just click on the edit button below the preferred post.
Then on the post editor page click on the HTML tab above at your left hand side just close to compose button.
You will be given an HTML version of you content just find for your preferred location were you want it to be and paste the code there.
And that’s all you need, don’t forget to drop your comment below thanks.