According to “Inside Adsense“, adding Adsense ads to Blogger.com blogs is now quick and easy. They say…
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We’ve heard your feedback about wanting to insert Google ads between your blog posts, and we’re happy to let you know that Blogger now supports this implementation through the AdSense widget.
Here’s all you need to do:
Log into your Blogger account.
Visit your blog’s Template tab and click on the Page Elements link.
Click Edit in the Blog Posts section.
Check the box next to Show Ads Between Posts. You can then select how often you’d like your ads to appear, such as once after every post or once after every other post.
Customize the ads and click on Save Changes when you’re done.
Please note that right now, it’s only possible to insert Google ads using this widget, and not AdSense for search boxes or referral units.
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Sounds like a nice, easy way to get Google Adsense ads into, erm, Google Blogger Blogs. 