Want to see some new ideas for outdoor facilities? Here are two good sites that have facility ideas (along with crafts, food, and other camp stuff)

http://www.pinterest.com/zoic/best-of-summer-camp-ideas/

and http://www.pinterest.com/leaderkam/summer-camp-wish-list/

and a few facilities-related items:

swings around campfire
http://www.pinterest.com/pin/260505159669703637/

chalkboard signs
http://www.pinterest.com/pin/15833036161474824/