I recently installed the plugin List Category Posts so that my categories show up on the correlating pages. It worked great, only it modified they header size, font, and added a horizontal scrollbar instead of wrapping the text to the next line.
If you click on the header link and go directly to the post, you'll see what it should look like.
I'm new to wordpress and not sure how to change the post formatting back to 'normal'. Any advice would be a great help.