Tips to use D2L:

http://www.desire2learn.com/solutions/k-12/

http://www.colorado.edu/oit/services/teaching-learning-tools/desire2learn-d2l/tips-tricks

http://unbtls.ca/teachingtips/optimalusesofd2l.html

http://www.cbeilc.info/blog/2013/09/05/d2l-webinars/

If you are not using it already!

Try using a Voki:

http://www.voki.com

Alberta Core

https://www.albertacore.ca/access/home.do