Traning:

Youth Protection Traning

NEW Den Leader Meeting Resources
www.scouting.org/scoutsource/cubscouts/leaders/denleaderresources.aspx
New Cub Scout Den Meeting Program

Baloos Bugle
http://usscouts.org/usscouts/bbugle.asp
Ideas for Den Meetings, Pack Meetings, Camp-outs, etc.

Program Helps
www.scouting.org/scoutsource/CubScouts/Leaders/CubScoutHelps.aspx
Den Meeting ideas for Den Leaders (previous program, but good ideas) 

Animated Knots
www.animatedknots.com/indexscouting.php?LogoImage=LogoGrog.jpg
Great for parents and kids too!!

Bill's Round Table Page
http://rt492.org/gen/sctlinks.html
This has TONS of ideas and resources for parents and leaders!