Access through Page Element and Add New Gadget. Click on More Gadget. There are 4 new gadget from Amanda Fazani, owner of Bloggerbuster, including Recent Post, Twitter Update, Recent Comments, Picasa Photostream.
Now you dont need to confuse, looking for recent post or recent comment script. Simply, add through page element, and you can set as you want.
For Recent Post Widget, there are several option, such as title, gadget height, number of post, summary etc.
Now it's easier for customizing our blog. I love blogger ^_^