(Dreamweaver CS5, Mac OSX)
Is there a simple way, a canned script, or widget, to add a user comments section to a web page (much like a blog comments feature)?
There are lots available.
A couple of those are listed here in no particular order:
http://www.youtube.com/watch?v=CS45YAqCgX8 - to make your own PHP/ MySQL comment box
http://www.quackit.com/html/tags/html_form_tag_action.cfm - a pre-coded script you could use