Google's program policies do not allow you to modify your Adsense code which artificially inflates ad performance or harms advertiser conversions. In most cases, you'll want to copy paste the code exactly as you get from the generator. However, most sites today are going responsive and you'll want to ensure that you use the correct size ads when your visitor is viewing your blog from a mobile device.
I really liked Internet Explorer 7 and love Internet Explorer 8 (yes you Firefox lovers, I love FF as well :) ). But, being a web designer since mid 2000, I've had the opportunity to design several sites for several browsers and it has always been a pain to support them all. One really really really really painful browser is the infamous Internet Explorer 6.
Early this morning, I released Top 10 - A Page Counter and Popular Posts plugin for WordPress. I detailed my experience while designing this plugin. The major problem that I faced while working with this plugin was with WP Super Cache.
You must have seen the tabbed interface on several professional blogs. The same is also present on this blog in the sidebar to the right. In fact, I've had this running on this blog as well as my personal blog for a long time now, where I displayed post details.