Possible Clues:

• Time relaxing in a chalet, and where the first words of 17-, 25-, 39-, and 51-Across may appear
• Events after a day on the slopes
• Sparks flying across centre in Montgenevre, before one social event there?
• Lots of Glühwein here, diverting 18 over weekend
• Fun after going down? A soft kisser gets ex-cited
• Aspen activity
• With business no longer on the decline, newspapers must be stored in front half of a kiosk
• Urge King to participate in excellent social event after sport
• Party activity for people who've gone downhill fast
• Squeeze last of pack into first-class for such entertainment