Professional Development:
Promethean Active Boards:
Promethean Planet
Newsgroups
Instructional Videos
Free Training
http://www.prometheanplanet.com/en-us/professional-development/activtips/
Pinterest Resources for Promethean Boards
http://www.pinterest.com/txgrdngal/promethean-board-resources/
Denver Public Schools has a complete Self Paced Training Page dedicated to Promethean Boards