Recent Posts with Thumbnails Widget by Engadgeteer

Here is a preview of how the gadget would appear in your blog (based on recent posts from Blogger Buster):

• Related Posts with Thumbnails for Blogger - New Version by BloggerWidgets
  Aneesh of Blogger Widgets has developed a new "Related Posts" script for Blogger which displays thum...Read More
• Resolved! Issues with the Twitter Updates Gadget (and others)
  This issue should now be resolved. I have checked the Twitter Updates gadget (plus others) on variou...Read More
• Profile Avatars for Blogger Comments - Updated
  Displaying avatars beside comments in our blogs has been a long anticipated feature. Today, the Blog...Read More

Grab this widget!
engadgeteer.com - Read Manga Online

The gadget is very easy to install in your blog: simply visit the widget generator page and edit the settings as required. You can preview your feed and then add it to your blog sidebar using the "Add to Blogger" button on the top right of the page.

Thanks Tony for letting me know about this widget!