Don't try to carry all the load yourself. In Tiger, Wolf and Bear dens the family unit is central to the forming of the Cub Scout and activities revolved around the family unit. Get other parents involved. Help them realize it is their program and then depend on them to lend expertise on aspects of the program. Invite them to attend by determining their interests and using them.
Leadership is developed and learned.
You can become an effective Cub Scout Leader if you will prepare yourself and take the time to learn. Remember to be flexible in your planning. There are no set answers to handling boys. Don't be afraid to experiment. Start out with the Cub Scout Den Leader Fast Start video.