ishitaka

Insert the widget area in the content.

Widget in Content

gl_SPICE

Lets you insert your ad-code (like AdSense) directly before, after or in the middle of your post content 
or wherever you want without having to edit your template.
You can specify an ad-code to appear before and after your actual post content and one to appear in the middle of it.
Just install it, then go to Options -> New Adman. There you can set your ad-codes. The one to appear before your 
post content will appear before your content, the one to appear in the middle will be calculated to appear 
right in the middle of your posts (between tag groups, like paragraphs or divs), or where you inserted  in it.
You can show or hide ad-codes for individual post on the post edition page.
New Adman based on the original Adman plugin than is no longer supported.

New Adman

Lets you insert your ad-code (like AdSense) directly before, after or in the middle of your post content
or wherever you want without having to edit y …

Widget in Content vs New Adman