Holland America Line has expanded its 2011 Group Amenities Program (GAP) to offer 41 amenities, including the new home city air credits, charity benefits, a Holland America cookbook and a non-alcoholic cocktail party. Travel agents “spend” earned GAP points to select personalized amenities for their group.

All Leisure Group PLC, a British-owned cruise company that operates Voyages of Discovery, Swan Hellenic and Hebridean Island Cruises, is rebranding under the name All Discovery Cruising name.

Celebrity Cruises is expanding “Savor,” the culinary-and-wine/spirits-focused pillar of Celebrity Life, to include special interest cruises with guest chefs and other food and wine experts. The new “Savor Your Destination” cruises kicked off June 1 when the Celebrity Eclipse set sail with Australian chef Benjamin Christie onboard.

Crystal Cruises is offering an “Experiences of Discovery Jazz Cruise” on the Crystal Serenity in the Caribbean in December. With live performances from piano solos to trios, quartets and seven-piece bands, the 10-day Caribbean cruise departs from Miami on Dec. 11. The Bill Allred Classic Jazz Band will headline, along with a variety of solo artists. In all, six jazz pianists, nine brass musicians, and eight artists on drums and strings will be accompanied by four jazz vocalists.

Crystal Cruises announced significant savings for select September to November 2010 Mediterranean cruises, with $4,000 per couple off its ultra-plush Penthouse accommodations, and Business Class Air add-on fares as low as $899 per person for verandah stateroom guests.

Royal Caribbean International is making enhancements to its Crown & Anchor Society loyalty program. Among the new offerings, which began rolling out on June 1, is that members can book cruises onboard and receive an onboard credit for their future sailing.