nengajo New Years Cards online

[Thanks to S. Renovich]

  The Post Office website also allows you to make a slide show of your year called Watashi Nenkan, 

a hanko stamp based on words or pictures, and brush calligraphy. 
You can easily download the images to use in other projects as well.

Yubin Nenga, http://yubin-nenga.jp/index.html
Yahoo Nenga, https://yahoo-nenga.jp/
Canon, http://cp.c-ij.com/ja/event/nenga/index.html
Nengajou.com, http://www.nengajou.com/links6.html
Rakuten Greetings, http://greeting.rakuten.co.jp/event/nenga/

reading materials in Japanese (AP classes)

http://nihongo-e-na.com/
---reading articles appropriate for level 3 and AP and IB courses.

apps & learning Japanese

recommendations from W. Branchflower.

iPhone: at little or no cost for Japanese learners. 

     Apart from the quizlet app, highly recommended for teacher created lists, I would also recommend the 'Imiwa' app as a fantastic free dictionary, one of the best I've seen and certainly the best free dictionary app for Japanese learners.

---cf. Android devices: "Kabuto" instead of Imawa

Cooking mama Lite is also a great recipe app for budding gourmands with good Japanese skills

Hiragana Test and Katakana test are both good for script building skills

iKana touch is one of the best paid apps for learning Kana, lots of good features ($6?)

Momo teaches Japanese makes good use of the draw-on-screen capabilities of the iphone

Shin Kanji is good for more advanced learners

fun activities online

--thanks to S. Renovich:
 
Here is a page of links called "For Fun" on the Fun Japanese website, http://www.members.shaw.ca/renovich/funjapanese
 
Many are sites for creating and editing images with Japanese fonts like
Image Chef,
Banner Koubou,
Portrait Illustration Maker and
Muryou Shoujou (Certificate maker)
Voki allows students to record their voice or to type in texts for computer-generated sound.

Doubutsu Uranai (horoscope) is fairly accurate and I've used it as reading and dictionary-skills practice with senior students.
http://www.doubutsu-uranai.com/free_experience.php

The Usoko Maker links and Nounai Maker take katakana names, as well, and are purely for fun.

using infographics for language learning

http://infographic.jp/ has several examples for "scavenger hunting" of facts and details by students.