There are loads of CPE's fresh for the harvesting. Help yourself by helping others.
I've got a few links to help you out with this:
Microsoft's (Free) Security, privacy, and online safety brochures and fact sheets
Microsoft also has some free studies available for facts in your briefing:
National Cyber Security Alliance:
SANS Ouch! Newsletters can be of some help also:
These are just four of many free resources available to you. Remember, for every briefing hour you give, it's a free hour. Try to set up a monthly briefing, and remember, food always attracts people! =)