In normal cases all blogger users can put the adsense block at the top of the post or at the bottom Only.
but the problem here is that alot of bloggers don’t get high CTR ( clicks ) by this placement,
so they should play with the ads placement,
the best solution here is to put you google ads blocks in the middle of the post in your blogspot blog.
and you have to check out Google AdSense heat map
blogger don’t offer this option by default settings, so you have to be tricky to do it,
here is easy and fast way to do it.
go to your blogger account,
and navigate to Layout >> edit html,
and check check Expand Widget Templates
Find the tag : "<data :post.body/>"
<div expr:id='"aim1" + data:post.id'></div>Note that you must replace
<div style="clear:both; margin:10px 0">
<!-- Your AdSense code here -->
<div expr:id='"aim2" + data:post.id'>
var obj0=document.getElementById("aim1<data :post.id/>");
var obj1=document.getElementById("aim2<data :post.id/>");
var r=s.search(/\x3C!-- adsense --\x3E/igm);
<!-- Your AdSense code -->
with block code provided by Google.
Now you are done, just to put your google adsense block in the middle of the post, you have to put this code in the exact place you want to put AdSense block.Enjoy earning with your blog too.. do comment for any type blog topic or any help!!!