Mechanize Tutorials

Are there any good tutorials on mechanize? I looked around and found a
few code examples, but the didn't really go about explaining the code.
Also the documentation is more of a stub than actual doc. Also since it
requires Hpricot does that mean an instance of mechanize have all the
search functions of Hpricot?

I am really interested in any good Mechanize tutorials as well. Such a
seemingly useful tool that I can't find very much documentation on.

I have looked, and looked and never found much besides the examples
that you found yourself.

The tutorials are probably Perl only.

This has some mechanize examples, but its a higher level article and talks about
all of the screen scraping techniques available to Ruby (like
REXML+regxp, WATIR,
Rubysoupful etc.)
http://www.rubyrailways.com/data-extraction-for-web-20-screen-scraping-in-rubyrails

Decent article, but not many links or examples.