Turkeyman said:
You have to write part of your own letter?
I have heard of this often.
Anyway, look at other letters. I think they are normally about 3-4 paragraphs long: Intro, Examples of why you are amazing, Conclusion. example:
June 27, 2005
Dear Admissions Committee:
I am pleased to write a letter in support of _________s application to your medical school. I have known and worked closely with ____ for ____years and feel very strongly that she will become an outstanding physician.
______'s academic record speaks for itself. She graduated with honors and many achievements including ___________________. Shortly thereafter she began work in our division of ______ at _____________. Her role with us began as _______, and due to her interest and potential became _________. (then fill in details of accomplishments in these roles)
In addition to these academic and professional achievements, ___________________________(other hobies & achievements).
_________ is really great. I am pleased to offer my strongest recommendation for ________. Please feel free to contact me if you have any questions or would like more information about this remarkable candidate.
Sincerely,
_______, M.D.
Professor
Department of _________
University of ________