Please check my adsense placement i have a GSM Mobile Phone specification & price blog plz check the ads placement and give me suggestion to improve my adsense earnings thanks in advance. this blog is here.... GSM Mobile Phone specification & prices
you can have a 336x280 or 300x250 ad on right side column too. that can double your income having it below 728x90 ad will not help much
Now everything looks great start posting more of unique articles. And be sure post it for visitors not for the search engines.
your ads placement is good according to your design. it not better to load too much your website with ads if you are thinking to put some more ads. its good . you need to do some marketing for your blog .how many visitors you are getting now .
It looks like the change in ad placement is an improvement. Any results that you have gotten with the change?