All Levels

• Writing: Made for Japanese University Students: http://vu.flare.hiroshima-u.ac.jp/english/writing/movie.html
• The Open Diary: http://www.opendiary.com/

Easy Level

• Write Funny Sentences: http://www.aitech.ac.jp/~itesls/jaw/w01.html
• Write a Funny Story: http://www.eduplace.com/tales/index.html
• Spelling: http://www.funbrain.com/spellroo/

Intermediate and Advanced Level

• Purdue University Writing Lab: http://owl.english.purdue.edu/handouts/index2.html
• Examples of Essays: http://www.amarris.homestead.com/writing.html