On the archive page for this site I have a twentyten child theme and I want to show a thumbnail of the featured image along with the post excerpts. I'm using the most recent version of wordpress. any idea how i would go about doing that? please advise. thanks in advance!
Here's a nice article that walks you right through it: http://nenuno.co.uk/creative/wordpress/adding-post-thumbnails-to-wordpress-3-0/