If your blog's installation is on a self-hosted wordpress.org platform, blogger or typepad,
then remove the code you have already added to you blog and grab the first code of the code dialog, as shown below:
This will display the linkup inside the blog post.
If your blog hosted on wordpress.com
, then no widget is allowed to be displayed inside your posts.
For this kind of installations, you can only use the second code of the code dialog which presents a button for your users to see the linkup on an external page.