Chinese Digger 收集的海外學習中文和中文教學資料
http://chinesedigger.blogspot.sg
Chinese Character Worksheets and Flashcards
http://www.archchinese.com/how_to_write_chinese.html Though you need to sign in and pay a fee for using, it still worths introducing this website as a reference.
Quick way to master Chinese characters
常用字表 The most commonly used Chinese characters, a website of HK Education Bureau was introduced for a quick master of writing Chinese characters.