Break out those itsy-bitsy, teeny-weeny yellow polka dots. Summer 2006 officially debuts with music to hear, treats to eat, and people to help.

DO
Habitat for Humanity Hurricane Recovery
What: Head to the Gulf States to help build homes for those still in dire need of shelter.
Why: Replace bad habits with good habitats.
When: Before the next big one hits.
Where: Info online at habitat.org.

BUY
Red Cross Tees
What: Purchase one of the winning T-shirts from the Threadless design contest, and they’ll donate $5 to The Red Cross.
Why: Cross your heart.
Where: Online at threadless.com.

BUY
Creatures of Comfort
What: The L.A. boutique takes its super-cool inventory (Maloles and Karen Walker) online with 15 percent off thru May.
Why: They’re most heavenly.
Where: Online at creaturesofcomfort.us.

HEAR
Phoenix
What: The Parisian foursome releases its new pop-rock album.
Why: It’s never been like this.
Where: Online at amazon.com or your local music store.

EAT
Make Your Own Popsicles
What: Cool off with sailboat-shaped ice pops in your favorite flavors.
Why: Sail away, sail away, sail away.
Where: Online at prairiemoon.biz.