Practice and review letter writing of all kinds! http://parapal-online.co.uk/letters.html
This site will help you write ESSAYS OF OPINION. Just follow the instructions there! http://www.ozline.com/electraguide/thesis.html
Everything you need to know about WRITING COMPOSITIONS! http://www.geocities.com/fifth_grade_tpes/writing_process.html
The letter generator - this site will help you write letters! http://www.readwritethink.org/files/resources/interactives/letter_generator/