Heres a great tutorial on how to display a feed without a widget
http://www.computer-fix.net/how-to/display-an-rss-feed-in-wordpress-without-plugins/
I do this at the bottom of TheZach.net, combing many feeds for my online activity in one pleace using yahoo pipes.
Its very easy to display an RSS feed in your blogs template for the simple instructions go to…
http://www.computer-fix.net/how-to/display-an-rss-feed-in-wordpress-without-plugins/
If you are talking about how to display an RSS feed on your blog here is a great tutorial that does not require any widgets or plugins – it works using components of wordpress’ core
http://www.computer-fix.net/how-to/display-an-rss-feed-in-wordpress-without-plugins/