You can follow Whistler Blackcomb on foursquare for tips at venues around the resort. The unlock text reads:
You’ve traveled from PEAK 2 PEAK. You’ve had one heck of a Spanky’s. You’ve checked in and checked out on Cloud 9. Now, get back out there and hit the powder, you shred head!
They join Sunday River, Jackson Hole, Mount Snow and Sun Valley with badges for the 2012 season.