Give public speaking a try when you really want to increase your self esteem.
http://www.performanceanxiety.com/
http://www.speaking.com/articles_html/JamesMack_609.html
http://www.syncreny.org/F46P32.html
http://www.cpd.fsu.edu/professional-deve/public.htm
http://www.gogebic.cc.mi.us/departments/lfa_div/SPEclasses.htm
http://www.expertcenter.net/index.html
http://www.sparksdevelopment.com/
http://plato.acadiau.ca/sandbox/ppt/ppt.htm
http://www.squarewheels.com/
http://www.bartleby.com/99/
http://www.mackay.com/welcome.html
http://www.kintish.co.uk/
http://www.quoteland.com/
http://www.nsaspeaker.org/
http://www.patricktgrady.com/corp.htm
http://salesdoctors.com/
http://www.sayitwell.com/
http://www.speechtips.com/
http://www.toastmasters.org/
http://www.greatvoice.com/
http://www.dubinspeak.com/
http://www.best-motivational-speakers.com/
http://www.speaking.com/
http://www.personaldynamics.co.uk/
http://www.freenet.edmonton.ab.ca/toast/tips.html