As an elementary school teacher, what are some of the ways I can use to make learning programming for kids fun?

It all depends on how energetic and lively you are with kids when you teach them. Moreover, your facial expression, loving nature, teaching in a way suits to kids will make learing preocess fun for them . 

Check these site´s, maybe they have valued material for your need´s:

http://www.education.com/games/

http://www.learninggamesforkids.com/

http://www.parenting.com/child/education/10-best-educational-websites-kids