Links to more thesis statement information

http://writingcenter.gmu.edu/resources-template.php?id=33

This website is from George Mason University and has excellent info plus examples of strong and weak thesis statements.

http://owl.english.purdue.edu/owl/resource/545/1/

Purdue Writing Lab is always a great site for any writing need.  This one on thesis statements is excellent.

http://www.indiana.edu/~wts/pamphlets/thesis_statement.pdf

    The website above has some great info but the layout is pamphlet style. 

You have to imagine a tri-fold brochure and read the info from the bottom up.